circular ring
短语词组
- circular spiral ring packing 圆形螺旋圈填料
- Circular strengthening ring 圆环型加强圈
- circular stiffening ring 加强环
- a circular planar ring 平面圆环
- circular distributor ring [电]集电环;配电环;环形整流子
- circular planar ring 平面圆环
- circular -ring energy dissipater 圆环耗能器
- non -circular elastic ring 非圆弹性环
- circular sprinkler ring -shaped sprinkler 环形喷灌机 返回 circular ring