建议都测一测。去年加拿大调查，有8%的房子超过5.5pCi/L的危险浓度。估计美国差不多。

来源: Chinucks 于 2014-11-24 18:53:38 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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