电缆敷设安装后应经直流耐压试验。

After being laid, cable should undergo DC voltage test.

youdao

绝缘线芯分色，为敷设安装提供方便。

Butyl polymer is used as the insuation and coloring for the installing and laying work.

youdao

一般情况，弱电施工在线缆敷设完毕即可高一小段落。接着该安装设备支架，安装设备。

In general, the construction of the line can be completed in a small paragraph. Then install the equipment bracket, installation equipment.

youdao