piercing mandrel〔名词〕冲头,冲孔芯棒详细»
piercing mandrel〔名词〕冲孔芯棒,冲头详细»
冲头blanking mold;blanking mould;cutting block;piercer;punch;stamp详细»
冲头drift punch;forcer;formed punch;indenting hammer;piercing head;piercing mandrel;platen;punch head;puncheon;punching pin;wad详细»