油污不溶于水，溶于油。就和汽油去油污一个道理。

来源: 薛成于 2017-08-24 14:46:24 [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