短語詞組短語explosive spot welding 爆炸點(diǎn)焊explosive spot welding detail 爆炸點(diǎn)焊explosive line welding 爆炸線焊explosive dust welding 爆炸焊explosive compound welding 爆炸復(fù)合焊explosive welding interface 爆炸焊接界面explosive welding upper limits 爆炸焊接上限explosive welding -rolling 爆炸軋制stainless steel explosive welding 不銹鋼爆炸 返回 explosive welding