光纤保护用管
Protect Tubes for Fiber Optic Fiber
密集波分复用光纤传输系统
dense wavelength division multiplexing transmit system
具有紧包光纤的光缆
optical fiber cable with fiber tightly packaged
具有松包光纤的光缆
optical fiber cable with fiber loosely packaged
光纤传输线路
optical fiber transmission line
保护线用接轨线
connector of protective wire
多路复用光纤传感器
multiplexing fiber-optic sensor
母线保护的研究及运用
Study and Application of Bus Protection
受光用光纤
optical fiber for receiving light
中阻抗母线保护的应用
application of medium impedance busbar protection
专用保护线PE
special protection wire PE
钻孔用光纤传感器
drilled optical fiber sensor
电力光纤保护通道
electric power optical-fiber relay protection channel