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发表于 2010-8-16 10:45 AM
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谢谢,可能是恢复运动后不适应。这三年为了写报告,我都是在地下室里呆着,几乎哪也没去,已经属 ...
Cobra 发表于 2010-8-16 11:58 
Do you have a radon reduction system in basement? Besides, radon is gas, it could everywhere, any time, even if you tested ok level, you do not know if tomorrow the level is the same. So the best is to get one. If not, get an "easy breathe" system to bring in some fresh air.
all the best, cobra. |
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