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  aƷB     JRp|ߏˮľмͺ••aƷɷǽٗlװ塢•^ͷǽٱM_e≥20ϰ 13833648003
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    JRp|ߏˮľмͺ••aƷɷǽٗlװ塢•^ͷǽٱMɡ_e≥20ϰȵ•Ϟ48Kg/m3xIJް塣S`ܶSƫ^±4s|3Ҙ˜Ҫ󲻴0.3%ϵ(sh)NRC1õ••ܣͬrһWbǰɇͿNɫMҕXҪ
ƽ•ϵ(sh)            ≥0.60      
  •                ≥37dB
ܶȣ             44kg/m2                     
ʹÉ              20
Ɖdɣر(sh)13.5 
_ܣ _6Οo؞ͨѼy
•zyϵ(sh)
 

 

aƷַhttp://www.szyuhui.cn/shuinishengpingzhang/263_2309.html

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