英语语法分析

Piping erection work include: prefabrication, placing, aligning, welding and bolting.

管道安装工作包括：预制加工、安置、对准、焊接和连接。

The project proved to be a best-case scenario for illustrating the efficiencies of prefabrication.

该项目是一个证明预制结构效率的最好例子。

Prefabrication: Assembly of standardized Building components at a location other than the Building site.

预制：预制是指标准建筑构件在其它地点而不是在建筑所处的最终位置上进行的装配。