VL(fng)QO
ڣ2019/8/28 9:38:36 g[486
VL(fng)ַQ(chng)VL(fng)QἼg(sh)ǵVL(fng)ڵVüg(sh)wϵзQ(chng)֮释ܷLJʽVL(fng)ռg(sh)ԓg(sh)ԭǮ՚߉FˮΕr(sh)ˮαl(f)ύQNڵVL(fng)еĵʟܱ߉FˮڵVL(fng)ظߝͨ^(gu)-ˮֱӽ|ēQ᷽ʽHVL(fng)ĽضյVL(fng)е@߀ͬr(sh)VL(fng)ˮ⣨ȣYM(jn)|(zh)Q˵VL(fng)еЧʸ՟ˮˮԴõѭh(hun)ˮˮԴDֱõĸλK(sh)FȡVL(fng)ԓNg(sh)Ɍȡğϴԡ﹩ůڱصȡͬr(sh)߀VL(fng)ஔĽmЧʣ30dBA
mЧʣ95%
1Ú-ˮܓQˮF͵VL(fng)ֱӽ|ͨ^(gu)ύQȿԻշL(fng)@ҲԻշL(fng)QЧʸ
2Ú-ˮܓQֱӓQͬr(sh)ˮ˵VL(fng)еĽ^ַۉmp˵VL(fng)h(hun)ķۉmȾ
3ܓQ@ĽЧs30dBAȫԴʩ
4Ӱ푵VضB(ti)r(sh)ķL(fng)\
5ܓQͨL(fng)^СͨС50PaL(fng)Ҫ(li)ڙnL(fng)ڵVͨL(fng)YռOСVͨL(fng)o(w)Ӱ
6ܓQOʩo(w)늚OҪM(jn)з̎