three-high piercing是什么意思


中文翻译三辊穿孔

网络释义

1)three-high piercing,三辊穿孔2)Three-roll piercing mill,三辊穿孔机3)trio-cross,三辊4)three-roller curving,三辊滚弯5)roller,三辊机6)Three-roll rolling process,三辊轧制

用法例句

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