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r(sh)g2018/7/13 16:13:58 g[ Դ܇
Sݳ:Ҫ܇(du)˂Σ!ΣǶ,H(du)˂ɘOɔ_,Ӱ˂Մ˼,Ӱ˵˯,ʹˮa(chn)(yng)tg,Чʽ,ɢע,¹,(yn)صrʹ˵ ͽܵp.ď(qing),lÕr(sh)gL(g)С,tΣ(yn).y(tng)Ӌ(j)Yϱ, 80dB(A) µ(hu)Զ@; 80dB(A)~85dB(A) (hu)p p; 85dB(A)~100dB(A) (hu)һ(sh)Զ@; 100dB(A) ϕr(sh),(hu)ஔ(dng)(sh)Զ@.ڛ]˼(zhn)r,(qing)ȘOߵı ( ͻȻڱըr(sh) ) ʹ һ˲gÆʧ,a(chn)Զ@,@r(sh),˵ Xٌ܇(yn)(chung).
ͨ(du)wӰǶ.˵И(jng)ϵy(tng),ʹ˂XƤӵd^cƽʧ{(dio),(do)l䮐,ʹXѪp.@Щϵ׃,܉֏(f)ԭ,r(sh)gһ,͕(hu)(do)²ϵ׃,ʹˮa(chn)^ʹXÛQʧߡӛ˥˺ȫƣoȰY.ЋDLڳ^܇v,(hu)ͨ^И(jng)ϵy(tng)Ӱ̥l(f).
܇܇{TͳˆTƣ,Ӱ܇ȫ.һ,(du)ϵy(tng)Ѫϵy(tng)ҲЇ(yn)زӰ,(hu),ʳ,ćI,Ķ(do)θθİl(f),ʹѪ(dng)}ӲIJİl(f)ʱr@.(du)ҕXҲ(hu)ɲӰ.
܇o玧ˬF(xin)|(zh),ͬr(sh)Ҳ˭h(hun)Ⱦ(hu)}.܇mԵҪu(png)r(ji)ָ(bio),܇Ҳ(hu)ں̶ܴϷӳa(chn)SҵO(sh)Ӌ(j)ˮƽˇˮƽ.,܇*ˮƽҲ܇O(sh)Ӌ(j)ķ.
āԴ:܇Smherlwy.cn