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ھ(xin)ӆ ղرվ
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o(w)CwSͿˇ Ҫܣؽ^Aȫh(hun)ʩЧ أ^ᣩܣ ܣAȼ A-8ϵПo(w)CwSͿa(chn)ƷȻo(w)C(jng)zyAȼ@һԝM(mn)㡶܇(ch)܇(ch)ͣ܇(ch)(chng)OӋҎGB50067-97ȼҪϟo(w)ȔM sYmԣ A-8ϵПo(w)CwSͿa(chn)ƷǾһȵSwW(wng)CͿγw]Y@һԱCõĸp|(zh)ɴ50mmӋ=29dB ܣ A-8ϵПo(w)CwSͿa(chn)ƷSwW(wng)Yʹ˥p25mmϵNRC=85%50mmϵNRC=100% ȫh(hun)ԣ A-8ϵПo(w)CwSͿa(chn)Ʒo(w)o(w)ζù׃(hu )ۉmwPˮCͭh(hun)zPHֵ7䓽Yo(w)g bԣ A-8ϵПo(w)CwSͿa(chn)ƷͿֱ¶鱣CõW(xu)ЧͿӱo(w)踽(zh)M(jn)вͬɫ̎^(gun)ԺbЧ ɿճYܣ A- 8ϵПo(w)CwSͿa(chn)ƷøYȵճYM(jn)и߉FͿʹÿһwSճYճB(jng)L̎ԳwԼc䓽YwճY܌(sh)̻L(fng)100Km/hL(fng)(jng)zyճYȡ7.4kpacwճYȡ30kpaASTME736˜
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