BS EN ISO 15667-2000 Acoustics Guidelines for noise control by enclosures and cabins《声学 采用隔音罩和隔音室控制的噪音控制指南》.pdf

上传人:roleaisle130 文档编号:580988 上传时间:2018-12-15 格式:PDF 页数:62 大小:1.38MB
下载 相关 举报
BS EN ISO 15667-2000 Acoustics Guidelines for noise control by enclosures and cabins《声学 采用隔音罩和隔音室控制的噪音控制指南》.pdf_第1页
第1页 / 共62页
BS EN ISO 15667-2000 Acoustics Guidelines for noise control by enclosures and cabins《声学 采用隔音罩和隔音室控制的噪音控制指南》.pdf_第2页
第2页 / 共62页
BS EN ISO 15667-2000 Acoustics Guidelines for noise control by enclosures and cabins《声学 采用隔音罩和隔音室控制的噪音控制指南》.pdf_第3页
第3页 / 共62页
BS EN ISO 15667-2000 Acoustics Guidelines for noise control by enclosures and cabins《声学 采用隔音罩和隔音室控制的噪音控制指南》.pdf_第4页
第4页 / 共62页
BS EN ISO 15667-2000 Acoustics Guidelines for noise control by enclosures and cabins《声学 采用隔音罩和隔音室控制的噪音控制指南》.pdf_第5页
第5页 / 共62页
亲,该文档总共62页,到这儿已超出免费预览范围,如果喜欢就下载吧!
资源描述

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 15667:2000 Inco

2、rporating Corrigendum No. 1 The European Standard EN ISO 15667:2000 has the status of a British Standard ICS 17.140.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Acoustics Guidelines for noise control by enclosures and cabinsThis British Standard, having been prepared und

3、er the direction of the Health and Environment Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 5 October 2001 ISBN 0 580 36082 2 BS EN ISO 15667:2000 Amendments issued since publication Amd. No. Date Comments 13420 Corrigendu

4、m No. 1 5 October 2001 Incorporating annex ZA. National foreword This British Standard is the official English language version of EN ISO 15667:2000. It is identical with ISO 15667:2000. The UK participation in its preparation was entrusted by Technical Committee EH/1, Acoustics, to Subcommittee EH/

5、1/4, Machinery noise, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European develo

6、pments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publi

7、cations with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI

8、 Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary

9、of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to v, a blank page, pages 1 to 50, the annex ZA page and a back cover. The BSI copyright notice displayed in this document indicates when the document

10、was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO15667 May2000 ICS17.140.10 Englishversion AcousticsGuidelinesfornoisecontrolbyenclosuresand cabins(ISO15667:2000) AcoustiqueLignesdirectricespourlarductiondubruitau moyendencoffrementsetdecabines(ISO15667:2000) AkustikLeitfadenfrden

11、SchallschutzdurchKapselnund Kabinen(ISO15667:2000) ThisEuropeanStandardwasapprovedbyCENon1May2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographical

12、referencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManage

13、mentCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION

14、COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO15667:2000EgaPe2 INESO5176602:00 Foreword Corrected20010411 ThetextoftheInternationalStanda

15、rdISO15667:2000hasbeenpreparedbyTechnical CommitteeISO/TC43“Acoustics“incollaborationwithTechnicalCommitteeCEN/TC211 “Acoustics“,thesecretariatofwhichisheldbyDS. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublication ofanidenticaltextorbyendorsement,atthelatestbyNovember200

16、0,andconflicting nationalstandardsshallbewithdrawnatthelatestbyNovember2000. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium, CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Irel

17、and,Italy, Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnited Kingdom. Endorsementnotice ThetextoftheInternationalStandardISO15667:2000wasapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternationalStandardsarelistedinannexZA(normative). E

18、NISO15667:2000 Referencenumber ISO15667:2000(E) INTERNATIONAL STANDARD ISO 15667 Firstedition 2000-05-01 AcousticsGuidelinesfornoisecontrol byenclosuresandcabins Acoustique Lignes directrices pour la rduction du bruit au moyen dencoffrements et de cabines EN ISO 15667:2000ii EN ISO 15667:2000 iii Co

19、ntents Page Foreword.iv Introduction.v 1 Scope1 2 Normativereferences1 3 Termsanddefinitions.2 4 Generalprinciplesandoperationalconsiderations.4 4.1 Soundsource.4 4.2 Soundpropagationpaths.4 4.3 Efficientnoisecontrol.6 5 Typesofenclosuresandcabinsandparticularrequirements.8 5.1 Enclosures8 5.2 Cabin

20、s.13 6 Acousticrequirements,planningandverificationofnoisecontrol.13 6.1 Targetdata13 6.2 Planning14 6.3 Measurements16 7 Informationonenclosures18 7.1 Informationtobeprovidedbytheuser.18 7.2 Informationtobeprovidedbythemanufacturer.19 AnnexA(informative)Examplesofconstruction20 AnnexB(informative)C

21、asestudies38 Bibliography49 EN ISO 15667:2000iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectf

22、orwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardiz

23、ation. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attentio

24、nisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO15667waspreparedbyTechnicalCommitteeISO/TC43, Acoustics, Subcommittee SC1, Noise. AnnexesAandBofthisInter

25、nationalStandardareforinformationonly. EN ISO 15667:2000 v Introduction Acousticenclosuresandcabinsprovideareductionofairbornesoundonthepropagationpathfromthemachine (orasetofmachines)tonearbyworkstationsortotheenvironment.ThisInternationalStandarddescribescriteria whichdeterminetheacousticperforman

26、ceofenclosuresandcabinswithconsiderationofoperationalaspects. EN ISO 15667:2000EN ISO 15667:2000 1 AcousticsGuidelinesfornoisecontrolbyenclosuresand cabins 1 Scope ThisInternationalStandarddealswiththeperformanceofenclosuresandcabinsdesignedfornoisecontrol.It outlinestheacousticalandoperationalrequi

27、rementswhicharetobeagreeduponbetweenthesupplieror manufacturerandtheuserofsuchenclosuresandcabins.ThisInternationalStandardisapplicabletotwotypesof acousticenclosuresandcabins,asfollows. a) Cabinsfornoiseprotectionofoperators:free-standingcabinsandcabinsattachedtomachines(e.g.vehicles, cranes). b) F

28、ree-standingenclosurescoveringorhousingmachines:enclosureswithafractionofacousticallyuntreated openareaoflessthan10%ofthetotalsurfacearethemainsubjectofthisInternationalStandard. InthisInternationalStandard,emphasisisputonlightweightconstructions.However,thick,massivestructuresas, forexample,brickwa

29、lls,arenotexcluded. Enclosuresandcabinswithmorethan10%openanduntreatedareabelongtothecategoryofpartialenclosures. TheyarenotthesubjectofthisInternationalStandard. Athirdtypeofenclosure,integratedenclosureswhichformapartofthemachineandarefirmlyattachedtoit,isnot thesubjectofthisInternationalStandard.

30、 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthese publicationsdonotapply.However,partiestoagreementsbasedonthisInternationalStandar

31、dareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO140-3, Acoustics Measurement of

32、sound insulation in buildings and of building elements Part 3: Laboratory measurements of airborne sound insulation of building elements. ISO717-1, Acoustics Rating of sound insulation in buildings and of building elements Part 1: Airborne sound insulation. ISO3740series, Acoustics Determination of

33、sound power levels of noise sources using sound pressure. ISO9614(allparts), Acoustics Determination of sound power levels of noise sources using sound intensity. ISO11200series, Acoustics Noise emitted by machinery and equipment. ISO11546-1:1995, Acoustics Determination of sound insulation performa

34、nce of enclosures Part 1: Measurements under laboratory conditions (for declaration purposes). EN ISO 15667:20002 ISO11546-2:1995, Acoustics Determination of sound insulation performance of enclosures Part 2: Measurements in situ (for acceptance and verification purposes). ISO11957:1996, Acoustics D

35、etermination of sound insulation performance of sound protecting cabins Laboratory and in situ measurements. ISO14163, Acoustics Guidelines for noise control by silencers. 3 Termsanddefinitions ForthepurposesofthisInternationalStandard,thefollowingtermsanddefinitionsapply. 3.1 enclosure structurecov

36、eringorhousingasoundsource(machine)forprotectionoftheenvironmentfromthissoundsource (machine) NOTE Theshapemaybebox-likeorfollowthecontourofmachineparts.Box-shapedenclosuresconsistofwallsanda roof.Theenclosuremayhaveopeningsfordoors,windows,ventilation,materialflow,etc.;seeFigure4. 3.2 cabin constru

37、ctionspeciallydesignedfortheprotectionofhumanbeings(e.g.machineoperators)fromenvironmental noise,consistingofafullyenvelopingstructure NOTE1 AdaptedfromISO11957:1996. NOTE2 Afloorisnotalwaysacomponentofthecabin. 3.3 soundpowerinsulationoftheenclosure insertionlossoftheenclosure D W differencebetween

38、thelevelsofthesoundpowersemittedfromthesoundsource(machine)withandwithoutthe enclosure,inone-third-octavebandsoroctavebands,measuredaccordingtoISO11546-1orISO11546-2 NOTE1 Thesoundpowerinsulation(orinsertionloss)isexpressedindecibels,dB. NOTE2 Thisspectrumofvaluesisusefulforgeneralplanningofenvironm

39、entalnoisecontrolforlocationsatsomedistance fromthesource,e.g.inthereverberantfieldofanindustrialhallorintheneighbourhoodofaplant. 3.4 weightedsoundpowerinsulationoftheenclosure D W,w single-numbervaluedeterminedinaccordancewiththemethodstatedinISO717-1,exceptthatthesound reductionindex(ortransmissi

40、onloss)isreplacedbytheinsertionloss,D W NOTE1 Theweightedsoundpowerinsulationisexpressedindecibels,dB. NOTE2 Thesingle-numbervalueisusefulforaroughcomparisonofdifferentenclosuresandforgeneralacousticalplanning insidebuildingswithoutdetailedknowledgeofthesourcespectrum. NOTE3 AdaptedfromISO11546-2:19

41、95. EN ISO 15667:2000 3 3.5 paneltransmissionloss R soundreductionindex(ortransmissionloss)ofindividualpanelsfromwhichtheenclosureismade,inaccordance withISO140-3 NOTE1 Thepaneltransmissionlossisexpressedindecibels,dB. NOTE2 Inalimitedrangeofmediumfrequencies(typically250Hzto1000Hz),theinsertionloss

42、,D W ,ofacompletely sealedenclosureisapproximatelyrelatedtothepaneltransmissionloss,R,by DR W 10lg() dB (1) where denotestheaverageabsorptioncoefficientoftheinternalsideofthepanels.WhilespectralinformationonRand is oftenprovided,therelation(1)primarilygivesanupperlimitandisnotareliablefoundationforp

43、redictingtheactualinsertion loss,D W .Leakages,insufficientlyacousticallytreatedopenings,andflankingtransmissionofstructure-bornesoundresultin smallervaluesoftheactualinsertionloss. NOTE3 Formeasurementsoftheairbornesoundinsulationofsmallbuildingelementswithopenings,seeISO140-1011. 3.6Soundpressurei

44、nsulation,D p 3.6.1 soundpressureinsulationforenclosures D p differencebetweenthelevelsofthesoundpressuresataspecifiedpositionwithandwithoutanenclosure,inone- third-octavebandsoroctavebands NOTE1 Thesoundpressureinsulationisexpressedindecibels,dB. NOTE2 Thisspectrumofvaluesisusefulforthedetailedanal

45、ysisoftheacousticperformanceofanenclosureindifferent directions. NOTE3 Formeasurementsofthesoundpressureinsulationofanenclosure,seeISO11546-1andISO11546-2. 3.6.2 soundpressureinsulationforcabins D p differencebetweenthelevelsofthesoundpressuresinanexternaldiffusesoundfieldandinacabinlocatedinthis fi

46、eld,inone-third-octavebandsoroctavebands NOTE1 Thesoundpressureinsulationisexpressedindecibels,dB. NOTE2 FormeasurementsofthesoundpressureinsulationofacabinseeISO11957. NOTE3 AdaptedfromISO11957:1996. 3.7 apparentsoundpressureinsulationofacabin D p differencebetweenthelevelsofthesoundpressuresinaroo

47、mwitharbitrarysoundfielddistributionandinacabin locatedintheroom,inone-third-octavebandsoroctavebands NOTE1 Theapparentsoundpressureinsulationofacabinisexpressedindecibels,dB. NOTE2 Thesoundfieldintheroommaynotnecessarilybediffuse. NOTE3 Formeasurementsoftheapparentsoundpressureinsulationofanenclosu

48、re,seeISO11957. NOTE4 AdaptedfromISO11957:1996. EN ISO 15667:20004 3.8 A-weightedsoundpressureinsulation D pA single-numbervaluedeterminedfortheactualsoundsourcespectrum,describingthereductionintheA-weighted soundpressurelevelataspecifiedpositionduetotheenclosureorinacabinlocatedinadiffusesoundfield NOTE1 TheA-weightedsoundpressureinsulationisexpressedindecibels,dB. NOTE2 Thissingle-numbervalueismostrelevantfordescribingtheactualacousticperformanceofanenclosurefora pa

展开阅读全文
相关资源
  • BS ISO IEC 29150-2011 Information technology Security techniques Signcryption《信息技术 安全技术 签密》.pdfBS ISO IEC 29150-2011 Information technology Security techniques Signcryption《信息技术 安全技术 签密》.pdf
  • BS ISO IEC 15408-1-2009 Information technology - Security techniques - Evaluation criteria for IT Security - Introduction and general model《信息技术 安全技术 IT安全评价准则 一.pdfBS ISO IEC 15408-1-2009 Information technology - Security techniques - Evaluation criteria for IT Security - Introduction and general model《信息技术 安全技术 IT安全评价准则 一.pdf
  • BS ISO 7295-1988+A1-2014 Tyre valves for aircraft Interchangeability dimensions《飞机轮胎汽门嘴 互换性尺寸》.pdfBS ISO 7295-1988+A1-2014 Tyre valves for aircraft Interchangeability dimensions《飞机轮胎汽门嘴 互换性尺寸》.pdf
  • BS ISO 15118-1-2013 Road vehicles Vehicle to grid communication interface General information and use-case definition《道路车辆 车辆到电力通讯接口 通用信息和使用案例定义》.pdfBS ISO 15118-1-2013 Road vehicles Vehicle to grid communication interface General information and use-case definition《道路车辆 车辆到电力通讯接口 通用信息和使用案例定义》.pdf
  • BS ISO 13765-2-2004 Refractory mortars - Determination of consistency using the reciprocating flow table method《耐熔灰浆 使用往复流动表法测定一致性》.pdfBS ISO 13765-2-2004 Refractory mortars - Determination of consistency using the reciprocating flow table method《耐熔灰浆 使用往复流动表法测定一致性》.pdf
  • BS ISO 10998-2008+A1-2014 Agricultural tractors Requirements for steering《农业拖拉机 操纵要求》.pdfBS ISO 10998-2008+A1-2014 Agricultural tractors Requirements for steering《农业拖拉机 操纵要求》.pdf
  • BS Z 9-1998 Space data and information transfer systems - Advanced orbiting systems - Networks and data links - Architectural specification《空间数据和信息传输系统 高级轨道系统 网络和数据链接 结构规范》.pdfBS Z 9-1998 Space data and information transfer systems - Advanced orbiting systems - Networks and data links - Architectural specification《空间数据和信息传输系统 高级轨道系统 网络和数据链接 结构规范》.pdf
  • BS Z 7-1998 Space data and information transfer systems - ASCII encoded English《空间数据和信息传输系统 ASCII 编码英语》.pdfBS Z 7-1998 Space data and information transfer systems - ASCII encoded English《空间数据和信息传输系统 ASCII 编码英语》.pdf
  • BS Z 5-1997 Space data and information transfer systems - Standard formatted data units - Control authority procedures《航天数据和信息发送系统 标准格式数据单元 控制授权程序》.pdfBS Z 5-1997 Space data and information transfer systems - Standard formatted data units - Control authority procedures《航天数据和信息发送系统 标准格式数据单元 控制授权程序》.pdf
  • BS Z 4-1997 Space data and information transfer systems - Standard formatted data units - Structure and construction rules《航天数据和信息传输系统 标准格式数据单元 结构和构造规则》.pdfBS Z 4-1997 Space data and information transfer systems - Standard formatted data units - Structure and construction rules《航天数据和信息传输系统 标准格式数据单元 结构和构造规则》.pdf
  • 猜你喜欢
  • ANSI INCITS ISO IEC 9075-10-2008 Information technology - Database languages - SQL - Part 10 Object Language Bindings (SQL OLB)《信息技术.数据库语言.结构化查询语言(SQL).第10部分 对象语言汇集(SQL OLB)》.pdf ANSI INCITS ISO IEC 9075-10-2008 Information technology - Database languages - SQL - Part 10 Object Language Bindings (SQL OLB)《信息技术.数据库语言.结构化查询语言(SQL).第10部分 对象语言汇集(SQL OLB)》.pdf
  • ANSI INCITS ISO IEC 9075-11-2008 Information technology - Database languages - SQL - Part 11 Information and Definition Schemas (SQL Schemata).pdf ANSI INCITS ISO IEC 9075-11-2008 Information technology - Database languages - SQL - Part 11 Information and Definition Schemas (SQL Schemata).pdf
  • ANSI INCITS ISO IEC 9075-13 CORR 1-2010 Information technology - Database languages - SQL - Part 13 SQL Routines and Types Using the Java TM Programming Language (SQL JRT) Technica.pdf ANSI INCITS ISO IEC 9075-13 CORR 1-2010 Information technology - Database languages - SQL - Part 13 SQL Routines and Types Using the Java TM Programming Language (SQL JRT) Technica.pdf
  • ANSI INCITS ISO IEC 9075-13-2008 Information technology - Database languages - SQL - Part 13 SQL Routines and Types Using the Java TM Programming Language (SQL JRT).pdf ANSI INCITS ISO IEC 9075-13-2008 Information technology - Database languages - SQL - Part 13 SQL Routines and Types Using the Java TM Programming Language (SQL JRT).pdf
  • ANSI INCITS ISO IEC 9075-13-2008 Information technology - Database languages - SQL - Part 13 SQL Routines and Types Using the Java TM Programming Language (SQL JRT)《信息技术.数据库语言.SQL..pdf ANSI INCITS ISO IEC 9075-13-2008 Information technology - Database languages - SQL - Part 13 SQL Routines and Types Using the Java TM Programming Language (SQL JRT)《信息技术.数据库语言.SQL..pdf
  • ANSI INCITS ISO IEC 9075-14-2011 Information technology - Database languages - SQL - Part 14 XML-Related Specifications (SQL XML).pdf ANSI INCITS ISO IEC 9075-14-2011 Information technology - Database languages - SQL - Part 14 XML-Related Specifications (SQL XML).pdf
  • ANSI INCITS ISO IEC 9075-2-2008 Information technology - Database languages - SQL - Part 2 Foundation (SQL Foundation).pdf ANSI INCITS ISO IEC 9075-2-2008 Information technology - Database languages - SQL - Part 2 Foundation (SQL Foundation).pdf
  • ANSI INCITS ISO IEC 9075-3-2008 Information technology - Database languages - SQL - Part 3 Call-level Interface (SQL CLI).pdf ANSI INCITS ISO IEC 9075-3-2008 Information technology - Database languages - SQL - Part 3 Call-level Interface (SQL CLI).pdf
  • ANSI INCITS ISO IEC 9075-3-2008 Information technology - Database languages - SQL - Part 3 Call-Level Interface (SQL CLI)《信息技术.数据库语言.SQL.第3部分 调用级接口(SQL CLI)》.pdf ANSI INCITS ISO IEC 9075-3-2008 Information technology - Database languages - SQL - Part 3 Call-Level Interface (SQL CLI)《信息技术.数据库语言.SQL.第3部分 调用级接口(SQL CLI)》.pdf
  • 相关搜索

    当前位置:首页 > 标准规范 > 国际标准 > BS

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1