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

折迭的包起来的  folded

折叠的包起来的  folded

光纤传输线路  optical fiber transmission line

光纤传输光束  laser beam

保护线用接轨线  connector of protective wire

不可重复用的媒体  nonreusable medium

但也可以用来传输话音。实现了这一技术  atm

多路复用光纤传感器  multiplexing fiber-optic sensor

户外用的外部  exterior

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