机场和港口，电厂，管道，隧道，铁路以及铁路系统，矿场等等——但凡你想得到的建筑，柏克德都建过。
Airports and seaports, power plants, pipelines, tunnels, roads and rail systems, mines and more - you name it, Bechtel has built it.
顶管掘进机广泛应用于隧道挖掘和管道铺设。为使其高效工作，设计了远程计算机控制系统。
Model pipe Jacker is widely used in mining tunnel and paving pipe, in order to work efficiently, the remote monitor system was designed.
地铁系统因其地铁隧道的典型形状也被称为地下管道。
The underground system is also known as the Tube, due to the characteristic shape of the subway tunnels.
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