P䓷Ѓ(yu)ԽͻͬrMͻԺԣ֞30min45min60min90min120minȶeҹ˾P䓷T(yn)ՇҘ(bio)(zhn)GB12955-91a(chn)(jng)^ҷ|(zh)zęzϸ_ҼȼҪP䓷Ҫg(sh)(sh)ͻOޣ1.5СrҼ1СrЧЃ(yu)ĸЧƽRW>=30dB
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2024-07-29 180.00/ƽпղ~飺пղ~nj~wbпղ(ni)ô늄ӿпղ(ni)İ~pD(zhun)180ȣʹȫڹ⣬ͬr܌~ȫ׃ȫⴰԓa(chn)Ʒȹ(ji)ʡʹÿg_Ŀģ߀бԺͷͬro҃(ni)·fҕXoՓ߀Ƕ{(dio)~Ƕȁ_ꖻɹůʹ{(dio)ܺĴ(j)y~P(gun)]B(ti)^
2024-07-29 480.00/ƽ̫㲣 ̫ܹҪڹ픰l(f)ϵy(tng)픽ȡy(tng)Сֿ̫ܹl(f)֪͑1P(gun)ڰl(f)؛ A(y)۶a(chn)Ʒһ˸a(chn)Ǹ(j)a(chn)Ʒ(sh)y׳̶ȁԭtl(f)؛҂Ϳ˼rf(xi)̜ͨ
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2024-07-29 1000.00/ƽ˾Q:ĴزƼ˾ I(y)ͣ (jng)Iģʽa(chn),Q(mo),(w)IИI(y) ˾עԵַĴʡɶ(jng)g(sh)_l(f)ȪA^(q)·1318̖ ˴T˔(sh)100-200 Se10000 II(y)~200fԪ/-500fԪ/M~ ~ ҪЈ͑Ⱥ˾Q:ĴزƼ˾Ia(chn)ƷĴ,늄ӓ
2024-07-29 ha(chn)ƷͻҲQʹ^LĚvʷ,ڵķ|(zh)似g(sh)ָ(bio)(j)GB16809-1997|(zh)ԄP(gun)]ָ(bio)ҪиҪGB16809-1997|(zh)(jng)ӆ2008l(f)GB16809-2008˻ʽğԪoB(ti)ضȡP(gun)]ɿԄP(gun)]rgҪԇ@Ҫǻڛ]дԄ
2024-07-29 750.00/ƽ