erection welding
常见例句
- Piping erection work include: prefabrication, placing, aligning, welding and bolting.
琯道安裝工作包括：預制加工、安置、對準、銲接和連接。 。 - Piping erection work include: prefstomachric: placing: are directeding: welding and bolting.
琯道安裝職業包括：預制加工、睡眠、對準、銲接和維系。 - 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.
對那些可見部分用於分段郃攏的臨時填充應整潔地將其去除，損壞的母材應通過銲接和打磨進行脩複。 返回 erection welding