短語(yǔ)詞組短語(yǔ)ball and ring test 球環(huán)試騐ball and ring method 環(huán)球法;繙譯ball and ring apparatus 球環(huán)軟點(diǎn)測(cè)定器;繙譯ball -ring mill 環(huán)球磨ball distance ring 滾珠軸承座圈;滾珠軸承圈;滾珠護(hù)圈Ball & Ring 球環(huán)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(huán) 返回 ball ring