Inspect, monitor, test and adjust cabletransmission and distribution systems.
检查，监测，测试和调整电缆的输电和配电系统。
2
Trans-Pacific submarine cabletransmission system of production, maintenance and operation of a worldwide problem.
跨洋海底光缆传输系统的生产、维护和运行是一个世界性难题。
3
The paper demonstrates the choice and the application of combined cabletransmission network in rail transit, and analyzes the application of metro transmission system at pre-sent.