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Դ:http://www.prattandsmith.com/ | l(f)rg:2025/10/2 | g[Δ(sh)
һNcl(f)늹һwĄ(chung)O(sh)ʩ乤ԭɏW(xu)l(f)늃ɂSȽ
һW(xu)ԭ
C(j)ͨ^ײϣ粣rޣD(zhun) ܣϵ(sh)_(d)0.8-0.85200-1000HzlЧ@
cܶw\䓰壩Ч_(d)80%-85m2000Hzϸl
@˥p픲۰O(sh)ӋL·y@pʧ4-6dB
l(f)ԭ
D(zhun)Q̫늳ذ壨ξ/ྦྷ裩չӮa(chn)-xue(jng)׃D(zhun)Q齻l(f)Чʿ_(d)18%
pl(f)늼g(sh)õ淴30%l(f)Kݽ·Ŀl(f)13f
ܹɂcAI㷨(yu)MA\SЧ15%
ă(yu)
(f)ÿl(f)8-16fpŶ̼80dun
Y(ji)(gu)(chung)簲̼Դ O(sh)ӋbЧ40%
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