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.
在部分地区，由于受管道沿地形、交通等条件的制约，两条及以上的管道进行伴行敷设的情况将不可避免。
In some regions, due to such factors as terrain, traffic, etc. it is unavoidable that two or more oil or gas pipelines are laid in parallel.
介绍了钢管式钻具的制作、构造原理，以及在变电所接地网敷设中的应用情况。
The mechanical principle and the manufacture of the steel barrel type barer, and its operation in the substation ground network construction have been introduced.
长输油气管道在敷设或大修时常因地质状况或天气情况的影响造成开挖管沟出现回淤、积水、坍塌等现象。
Silting, water accretion and collapse for the excavated ditch of pipeline are serious problems during the pipe laying or renovation of pipeline due to geological situation or weather.
长输油气管道在敷设或大修时常因地质状况或天气情况的影响造成开挖管沟出现回淤、积水、坍塌等现象。
Silting, water accretion and collapse for the excavated ditch of pipeline are serious problems during the pipe laying or renovation of pipeline due to geological situation or weather.
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