NF U21-002-1987 Machinery and equipment for working the soil Mouldboard ploughs Working elements Vocabulary 《土壤作业机械和设备 型板犁 作业器件 词汇》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

NY T 1121.21-2008 土壤检测 第21部分 土壤最大吸湿量的测定.pdf

NY T 1121.22-2010 土壤检测 第22部分：土壤田间持水量的测定- 环刀法.pdf

NY T 1121.23-2010 土壤检测 第23部分：土粒密度的测定.pdf

NY T 1121.3-2006 土壤检测 第3部分 土壤机械组成的测定.pdf

NY T 1121.4-2006 土壤检测 第4部分 土壤容重的测定.pdf

NY T 1121.5-2006 土壤检测 第5部分 石灰性土壤阳离子交换量的测定.pdf

NY T 1121.6-2006 土壤检测 第6部分 土壤有机质的测定.pdf

NY T 1121.7-2006 土壤检测 第7部分 酸性土壤有效磷的测定.pdf

NY T 1121.8-2006 土壤检测 第8部分 土壤有效硼的测定.pdf