这是唯一我能想到的橡胶垫圈,其他都是橡胶管了,不需额外密封了

来源: 5W40 于 2014-07-27 22:17:49 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.