基本释义:

左螺纹

网络释义

1)left hand thread,左螺纹

2)left thread,左螺纹

3)left-hand drill pipe,左螺纹钻杆

4)left hand screw,左螺旋

5)left-handed screw nut,左螺帽

6)left spiral bolt,左螺旋锚杆

7)former.Left-hand spiral rule,左螺旋定则

8)left-hand screw drill pipe,左螺旋钻杆

9)left-spiral flute tap,左螺旋槽丝锥

10)right lead spiral burr,左螺旋刻石刀

用法和例句