短語(yǔ)詞組短語(yǔ)sealed ball bearing 封閉式滾珠軸承sealed Dating bearing 密封式軸承contact sealed ball bearing 接觸式密封球軸承sealed roller bearing 密封式滾子軸承sealed journal bearing 密封滑動(dòng)軸承sealed roller bearing bit 密封滾動(dòng)軸承鉆頭sealed journal bearing detail 密封滑動(dòng)軸承Sealed Ball Bearing Drive 密封球軸承驅(qū)動(dòng)器 返回 sealed bearing