短語(yǔ)詞組短語(yǔ)precision n bearing 精密軸承plain n bearing 平面軸承;滑動(dòng)軸承friction n bearing 摩擦軸承precision n bearing tester 精密軸承測(cè)試儀nylon n bearing 尼龍軸承tin n bearing alloy 錫基軸承合金pin n bearing 軸承銷(xiāo)friction n thrust bearing 摩擦止推軸承Pinion n front bearing 小輪前端軸承 返回 Bearn