cg(sh)m
jing(zhn)......
ϼg(sh)ͨ^(gu)cY(ji)(gu)(chung)y(tng)O(sh)ʩ(j)Դb(sh)F(xin)“-l(f)......
"СB(nio)"(gu)jia(j)taio(h)^(q)տF·(c)ȫFȫ]ϵ......
@(g)(li)ܲĿW(xu)O(sh)ҪǞˑ(yng)(du)ȾijF(xin)Эh(hun)......
ͨI(lng)daoh(hun)ǸM≥35dBϵ(sh)≥0.84ļg(sh)......
ϵĸ߶cO(sh)Ӌ(j)ֱʽ۱ʽ߶ȣ1-5ףֱӰӰ^(q)ȫ]Y(ji)(gu)......
Ҫķɢãڂ^(gu)ϕr(sh)͕(hu)l(f)ɢ......
ƽͨȾҪO(sh)ʩ(li)ڲϿƌW(xu)ܼg(sh)ͽY(ji)(gu)O(sh)Ӌ(j)ȷȡ@ͻ......