短語(yǔ)詞組短語(yǔ)seal ring groove 密封環(huán)槽Seal anchorage groove 密封凹槽oil seal groove 油封槽flange seal groove 法蘭密封槽seal groove cavity 密封槽Octagonal pad seal groove 八角墊密封槽retainer oil seal groove 擋油環(huán)油槽wiper seal groove 刮水器密封槽seal with annular groove 槽油封;油封槽 返回 seal groove