cross piercing

短语词组

短语

• cross roll piercing 斜轧穿孔
• the cross rolling piercing 斜轧穿孔
• two roll cross piercing 二辊斜轧穿孔
• hot cross piercing 热轧穿孔
• cross piercing process 斜轧穿孔工艺
• two -cross-roll piercing process 二辊斜轧穿孔
• piercing screwdriver Cross -head 穿心起子十字
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