铜管用compress接口方便+省钱。下水管要做个回形换气，下水快+没噪音

来源: 味苦于 2019-08-15 08:31:51 [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.