把现在墙上这个接管换成和你的排气管相同口径的马口铁管，墙外装上带金属网的vent，防止小动物进入。

来源: woodsensor 于 2020-10-17 22:47:34 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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