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。
Field erection work will begin in October this year and complete on June first next year.
现场安装工作将于今年十月开始至明年六月一日完工。
Scaffolding erection work by plane, by the security staff checking to ensure a solid, safe.
脚手架要由架工搭设，由安全员检查，确保稳固、安全。
应用推荐