Introduce the principle, method and experience of the management and building of CATV ground covering project in order to assure the safe operation of net.
介绍有线电视网络地埋工程的施工与管理的原则、方法和经验,以保证网络安全运行。
Introduce the principle, method and experience of the management and building of CATV ground covering project in order to assure the safe operation of net.
介绍有线电视网络地埋工程的施工与管理的原则、方法和经验,以保证网络安全运行。
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