forming piercing是什么意思


中文翻译成形冲孔

网络释义

1)forming piercing,成形冲孔2)piercing and shaping die,冲孔成形3)shaping and piercing die,成形冲孔模4)side-forming punching die,侧成形冲孔模5)percussive grabbing boring,冲抓成孔6)boring(ramming)hole,钻(冲)成孔

用法例句

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