因为盆底那里是个斜面，橡胶垫圈不一定能接触压紧。

来源: 房崇于 2013-12-02 14:40:45 [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.

Change Ad Consent