打磨

polishing/

搬运

handling/

弧焊

arc-welding/

激光焊接

laser-welding/

激光切割

laser-cutting/

喷涂

painting-spraying-coating/

点焊

spot-welding/

涂胶

glueing-sealing/

滚边

roller-hemming/

喷丸

shot-peening/

无损检测

non-destructive-testing/

钻孔和铆接

drilling-and-riveting/

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