erection welding
常见例句
- 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。 。 - Piping erection work include: prefstomachric: placing: are directeding: welding and bolting.
管道安装职业包括：预制加工、睡眠、对准、焊接和维系。 - Where exposed to view, the temporary filling used for erection to be neatly removed, damages to the base material to be repaired by welding and grinding.
对那些可见部分用于分段合拢的临时填充应整洁地将其去除，损坏的母材应通过焊接和打磨进行修复。 返回 erection welding