optical time domain reflectometer meaning in English

光时域反射计
光学时域反射计

General specification for optical time domain reflectometers
光时域反射计通用规范
Test methods of optical time domain reflectometer
光学时域反射计的试验方法
Verification regulation of optical time domain reflectometer
光时域反射计otdr检定规程
Test methods for optical time domain reflectometers
光时域反射计测试方法
Optical time domain reflectometer ( otdr ) is a kind of the new type optical malfunction measuring equipment that developed in 1980 ' s
光纤时域反射仪( otdr )是八十年代才发展起来的新型光纤故障测试设备，全称是opticaltimedomainreflectometer 。