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。
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。
After the erection of cable tray and the supports, the welding points and supports should be painted, and the final paint for them should be of the color to the self-color of the tray.
桥架及其支架等安装完毕后，对焊点和支架要进行防腐处理，并喷涂一层和桥架本色相同的面漆。
The welding deformation can seriously affected the quality, erection and using performance of steel structure.
焊接残余变形会严重影响钢结构的质量、安装及使用性能。
The welding deformation can seriously affected the quality, erection and using performance of steel structure.
焊接残余变形会严重影响钢结构的质量、安装及使用性能。
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