是否死胡同也许可用薄钢片探测。HD通下水道用14刀。俺的所有烟道都是通外墙出口在天花板高度。

来源: IEbird 于 2020-04-23 10:11:51 [旧帖] [给我悄悄话] 本文已被阅读：次

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