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    ·Ľ紦ʱῴ˿װֻ˿еһͰôΪ˿ͨ˿׻ᰲװ͹޵²֮Գ֮Ϊ˿ʱΪ˿Դ׽˼ȫ˿׼Ϊаȫϵ˿
    ˿һֿ𵽰ȫӦͨװڶ޶Կȫ˿ǵǰްȫѡȫ˿ڽṹһ24СʱܷĿ Ҫɵĵ˵Ϊްȫȫ˿ǵܷ֮ܺṹ֮ȫ˿׻опԶѹŷ ȫֿɿʹðȫ˿ʱҪעʹõ¶ȷΧܹܵĹѹһ˵ȫ˿׵ʹ¶1+60 -30 ΧԳܵѹΪ+1470Pa(150mmH2O) ѹΪ-490Pa(50mmH2O)
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pk10 ȫ콭տƻ PK10ȫ˹ƻ 11ѡ5ƻ ʱʱʵʱƻ
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