天上的水干净。每家每户都有化粪池在地下，技术还带提高，现在人们一般不打井。

来源: forhong 于 2016-11-05 16:56:34 [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.