ball ring
短语词组
- ball and ring test 球環試騐
- ball and ring method 環球法;繙譯
- ball and ring apparatus 球環軟點測定器;繙譯
- ball -ring mill 環球磨
- ball distance ring 滾珠軸承座圈;滾珠軸承圈;滾珠護圈
- Ball & Ring 球環法
- double row ball race ring 雙列滾珠軸承座圈
- Ball bearing outer ring 球軸承外圈
- ball head hanging ring 球頭掛環 返回 ball ring