over-hang是什么意思

中文翻译外伸砂心头

网络释义

1)over-hang,外伸砂心头2)clearance taper print,外伸余度砂心头3)clearance print,外伸砂心顾4)overhang grinding wheel,外伸砂轮5)core print,砂心头6)cameron core,缩头砂心