有些房子的氡氣(Radon)濃度高,是導致肺癌的直接原因。
所有跟帖:
• 我是無論在哪裏都是經常開窗通風 -lucy2008liu- ♀ (0 bytes) () 08/23/2017 postreply 08:42:52
• 我是無論在哪裏都是經常開窗通風 -lucy2008liu- ♀ (0 bytes) () 08/23/2017 postreply 08:42:52
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