screw collar的意思|示意
螺旋环
screw collar相关短语
1、 screw collar nut 螺纹环螺母
2、 feed screw collar 进给螺杆挡环
3、 collar screw 有环螺丝
4、 collar head screw 带缘螺钉,头带缘螺钉,有领螺钉,翻译
5、 collar-head screw 环头螺钉
6、 compound feed-screw graduated collar 复刀架丝杠刻度圈
7、 screw graduated collar 复刀架丝杠刻度圈
8、 drill collar screw 钻铤螺纹