短語(yǔ)詞組短語(yǔ)ball journal bearing 球頸軸承;球頸ball socketed bearing 耳軸軸承ball -bearing cartridge 球軸承座ball reciprocating bearing 可后移滾珠軸承ball shaped bearing 活塞頭ball thrust bearing [機(jī)]止推滾珠軸承;推力球軸承;滾珠止推軸承;滾珠推力軸承 返回 ball bearing