radon mitigation system
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现在新房子应该都有排这种气体的管道,但我现在看在的这个老房子没有,是不是地下室墙上漏水,导致气体跑到室内的,漏水卖家已经修好
-lxny-
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05/02/2019 postreply
17:51:05
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据说地下室密封好的的话,可以降低氡气的水平。
-StopBy-
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05/02/2019 postreply
17:54:06
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