约二十年前开始用PEX软管代替铜管，接口少，耐腐蚀，维护费用低。水供热，可以与家里的热水器联用降低成本。

来源: fuz 于 2017-10-10 20:18:33 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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