GB/T 33779.2-2017光纤特性测试导则第2部分:OTDR后向散射曲线解析国家标准
英文:Guidance for special characteristic of optical fibre—Part 2: Interpretation of OTDR backscattering traces GB/T 33779....
英文:Guidance for special characteristic of optical fibre—Part 2: Interpretation of OTDR backscattering traces GB/T 33779....