I(y)ǣڹS^(q)Ľge
Դ:http://www.9yemao.com/ | l(f)rg:2025/7/29 | g[Δ(sh)
I(y)I(lng)g(sh)ͨ^ϸcϵy(tng)O(sh)ӋF(xin)S^(q)ƵͻMչ
ϼg(sh)
PC
lӽY(ji)(gu)пO(sh)Ӌ^иl6-8mmȌF(xin)20-30dBS߅܇g@˥p
ji˭h(hun)m_ͨ(sh)ٱwʯ_cL12-15mmѣmF·ȫc
lՃ(yu)wSwSֱsp20%100-500Hzlϵ(sh)0.5-0.6䓏S܈C^(q)8-10dB
g֬-wS(f)ϽY(ji)(gu)AU@^(q)(yng)ð@ʾ10oY(ji)(gu)gy(tng)3
ӏ(f)ϽY(ji)(gu)ٴװ+wS+ĭf(xi)ͬ܇S^(q)l_15-20dB Դhttp://www.9yemao.com/
P(gun)I֣,ĵַhttp://www.9yemao.com/gongsixinwen/12_10339.html