基本释义:

外伸砂心顾

网络释义

1)clearance print,外伸砂心顾

2)over-hang,外伸砂心头

3)clearance taper print,外伸余度砂心头

4)overhang grinding wheel,外伸砂轮

5)draw back,移装(外砂心)

6)customer extension,顾客延伸