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Uploaded by kin6657 on Dec 18, 2009
易過敏的人接觸到塵蟎可能會發生氣喘, 人的床墊平均每張約有數百萬隻的塵蟎存在, 最有效的對治之道應該就是使用小天使Raycop dust mites killer.
Science & Technology
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