DB32／T 4410-2022 水下公路隧道运营 工程养护规范.pdf

相关资源

DB32／T 4408-2022 水下公路隧道运营 安全风险管理规范.pdf

DB32／T 4407-2022 水下公路隧道运营 应急处置规范.pdf

DB32／T 4409-2022 水下公路隧道运营 隐患排查治理规范.pdf

猜你喜欢

ITU-R QUESTION 626-1997 Subjective assessment of small medium and large impairments in sound quality《音质中小 中 大损害的主观评价》.pdf

ITU-R QUESTION 64-16-2004 Planning parameters for digital broadcasting at frequencies below 30 MHz《频率低于30兆赫的数字广播的规划参数》.pdf

ITU-R QUESTION 656-1999 Spectrum requirements for sound broadcasting《声音广播的频谱要求》.pdf

ITU-R QUESTION 69-16-2004 Conditions for a satisfactory television service in the presence of reflected signals《在反射信号存在下令人满意的电视服务条件》.pdf

ITU-R QUESTION 7-65-2007 Characteristics of equipment for the land mobile service between 25 and 6 000 MHz《25至6000兆赫陆地移动业务设备的特点》.pdf

ITU-R QUESTION 70-14-1993 Protection of the geostationary-satellite orbit against unacceptable interference from transmitting earth stations in the fixed-satellite service at frequ.pdf

ITU-R QUESTION 73-24-2006 Availability and interruptions to traffic on digital paths in the fixed-satellite service《固定卫星业务中数字通道的可用性和中断》.pdf

ITU-R QUESTION 75-34-1995 Performance objectives of international digital transmission links in the fixed-satellite service《固定卫星业务中国际数字传输链路的性能目标》.pdf

ITU-R QUESTION 77-65-2007 Consideration of the needs of developing countries in the development and implementation of mobile radiocommunication technology《发展中国家对于移动无线通信技术的实施和发展的需要考.pdf