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2017-09-20 05:03:12

ȥˮӡͼƬзίŷˡչ滮олҽܵӰƱʹ±ϼ𡰴

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һ˹¶ıӰǿرǷزгů֯ʾⶼũõתũ񲻰߷ʱȡƱʱгǮĸŮ͵

ٴϵϱĸ׼귽λ¹ഺһϵҽԺ߽о˰Ϊ30x11.2%=3.36ѧһڰĵλҹ7ϱҲšϼ˸ũõתоܲĽĹлҽǿලִ𰲷ɽйظ˵Ļָٵ˰ȫɹ״Ⱥ˰ȫԻȵȰߺ/ŻһŻ˷ɴҲڽ귢˰Ϊ30x11.2%=3.36