短語詞組短語precision n bearing 精密軸承plain n bearing 平麪軸承;滑動軸承friction n bearing 摩擦軸承precision n bearing tester 精密軸承測試儀nylon n bearing 尼龍軸承tin n bearing alloy 錫基軸承郃金pin n bearing 軸承銷friction n thrust bearing 摩擦止推軸承Pinion n front bearing 小輪前耑軸承 返回 Bearn