急问：出租房下水道全换，4寸PVC和6寸cast iron，哪个20年内性价比好点？PVC是不是也挺不错了？

来源: red_flower 于 2023-01-10 07:37:17 [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.