短語詞組短語retainer oil seal groove 擋油環(huán)油槽oil retainer seal 座圈油封Seal Retainer 密封護(hù)圈;鉛封座;薄九孔板arming wire seal retainer 保騐鋼絲夾緊座seal retainer plate 密封保持器板customs seal retainer 海關(guān)鉛封件Oil seal retainer 油封護(hù)圈;護(hù)油圈;油封固定釦;油封座圈inner seal retainer 內(nèi)密封座water pump seal retainer 水泵水封座環(huán) 返回 retainer seal