filter是横着放的，今年入冬刚换的，2个月吧，3年前找人吸过一次管道，我这里用暖时间不算太长，应该不算太脏吧

来源: stonegarden 于 2017-12-30 20:04:57 [旧帖] [给我悄悄话] 本文已被阅读：次

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