building backbone cable

基本解释

• [动力与电气工程]建筑物主干缆线

英汉例句

双语例句

• The outside building cable is also referred to as the communication system backbone.
  建筑物外部布线也归为通信系统中枢。

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专业释义

动力与电气工程

• 建筑物主干缆线