洗碗机排水管没有接air gap不怕脏水回流吗？很多地方code要求的

来源: freedom321 于 2020-05-04 20:51:31 [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.