是Sump Pumps吧？用于生活用的下水，还是地基渗水？

来源: fuz 于 2018-10-02 18:19:17 [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