(du)P(yng)C(j)IJˆTЩҪ 1 P(yng)C(j)˾C(j)(yng)(jng)I(y)Ӗ(xn)CύI(y)r(sh)Ҫl(f)F(xin)ҕ(ni)ϵKr(sh)Ҫr(sh)̖(ho)r(sh)ò 2 I(y)ǰ(yng)ȿD(zhun)_J(rn)늚Ƅ(dng)Լh(hun)ròܲˆT(yng)Ԕ(x)˽⮔(dng)I(y)Ҫ(ni)ݺ 3 ˾C(j)(yng)Sr(sh)עl䓽zKĥpr(dng)d׃r(sh)(yng)x0.5mͣzo}r(sh)^m(x) 4 (dng)]ȫڵr(sh)˾C(j)xϢͣP(yng)C(j)I(y)r(sh)회\档°(yng)ДԴP(gun)l 5 ֹʹð_P(gun)ֹl(f)ײ` 6 ʹàP(yng)C(j)Äx܇½ٶ^ͼx܇Ҫ¡ 7 䓽zKҪͿĨSͲҪڌõIJ۵Է뉺A܈Ɖ䓽zKď(qing) 8 P(yng)C(j)~125KNr(sh)(yng)O(sh)K(yng)ھͲϵ䓽zKّ(yng)3~5Ȧ䓽zKĩˑ(yng)̶ɿ 9 Ͳ߅䓽zKľx(yng)С䓽zKֱ1ϺپP(yng)C(j)ֱN.5 10 I(y)УϺپP(yng)C(j)ֱNκ˲ÿԽI(y)ľP(yng)䓽zK P(yng)C(j)I(y)֪R(sh)Ո(qng)ԃϺϪC(j)е(sh)I(y)˾8 ϪƾP(yng)C(j)ϺپP(yng)C(j)ֱN@K÷㱻V(yng)ϺپP(yng)C(j)ֱN
ϪƾP(yng)C(j) ϪƾP(yng)C(j)C(j)е(dng)(q)(dng)Ͳ@KɠbԴֱˮƽAбקP(yng)C(j)֞ք(dng)P(yng)C(j)늄(dng)P(yng)C(j)ɷNF(xin)늄(dng)P(yng)C(j)늄(dng)P(yng)C(j)늄(dng)C(j)(lin)S(ji)Ƅ(dng)X݆;ͲMͬbڙC(j)(du)߶Ⱥbжlr{(dio)ܺã^½(du)bλе^Сٶ. ϪP(yng)C(j)˾λϺ֖| ҪI(y)ȫ^Ľ(jng)(j)---Ϻa(chn)ġϪP(yng)C(j)ϵЮa(chn)Ʒvʷƾá|(zh)ɿ(jng)V(yng)ʯͻӡȾpʳƷұ𡢵Vɽh(hun)o(h)\(yn)ݔ̙C(j)еȸN(dng)C(j)е(q)(dng)bú͜pb ϺپP(yng)C(j)ֱN26 ϪƾP(yng)C(j)ʹõ䓽zK港g䓽zK港g_(d)@Ҋr(sh)䓽zKͲʹá
P(yng)C(j)̶(jin)̣^O(sh)òι(do)¾P(yng)C(j)λ̓A Ͳϟoֹ䓽zKÓķo(h)bûo(h)bO(sh)òɿʹ䓽zKÓxP(yng)C(j)
䓽zKĩδ̶̶Ҫʹ䓽zKÓ䡣 P(yng)C(j)Ƅ(dng)ʧ`oλ KͲS˶λ(zhn)_Sƣڔ P(yng)C(j)ȫҪ P(yng)C(j)bλ 1.O(sh)CˆTָܿ]ˆTτ(dng)ʩ^еĽ_ּԼF(xin)(chng)ѷŲ(gu)(yng)Ӱ˾C(j)(du)(ni)ȫ^̵ıO(jin)ҕ̎ΣU(xin)I(y)^(q)(ni)픲(yng)Ϸo(h)Ҫ
ϺϪC(j)е(sh)I(y)˾ I(y)a(chn)̖(ho)P(yng)C(j)JKJM0.5~32нӸƷǘ(bio)P(yng)C(j)
ϪP(yng)C(j)ıB(yng)So(h) £ 4(dng)SеĉK˕r(sh)늄(dng)C(j)\(yn)е(dng)@zSеď϶_(d)ֵr(sh)(yng)QS 5ж늄(dng)C(j)r(sh)S˻ȡD(zhun)Ӷ]бҪжL(fng)߀ǏķSȡD(zhun)^ĶгD(zhun)ӕr(sh)(yng)ֹpĶ@M^ 6Q@Mr(sh)ӛԭ@Mʽߴ缰є(sh)Ҏ(gu)(dng)ʧ@Щ(sh)(j)r(sh)(yng)SȡSԭO(sh)Ӌ(j)@Mʹ늄(dng)C(j)ij(xing)(xing)ܐڟoʹá 28 P(yng)C(j)Ҙ(bio)(zhn)GB1955һ2002Ҏ(gu)P(yng)C(j)ֵC(j)ⲻô85dB(A)߶߅ô88dB(A)
ϪƾP(yng)C(j)һһ֪پP(yng)C(j)Ĺԭ P(yng)C(j)ַQ֮g܇ԭC(j)е(dng)(q)(dng)Ͳ@KɠbֱˮƽAбҷĺؙC(j)еք(dng)늄(dng)ɷNҪ늄(dng) 늄(dng)P(yng)C(j)늄(dng)C(j)(lin)S(ji)Ƅ(dng)X݆;ͲMͬbڙC(j)늄(dng)P(yng)C(j)ֿɷQ늄(dng)J(du)߶ȺbжærҪ{(dio)ܺeҪ^ܿ½(du)bλеҪ(dng)ٶ½P(yng)C(j)JKپP(yng)C(j)JMپP(yng)C(j)Hڵʹ늄(dng)C(j)(dng)(jng)(lin)S(ji)(j)]ʽX݆pǶʽ(lin)S(ji)(q)(dng)Ͳ늴Ƅ(dng)ԓa(chn)ƷͨԸY(ji)(gu)oweСpشʹD(zhun)ƷV(yng)ڽˮ̡֘I(y)Vɽa^ȵƽϣ߀F(xin)늿Ԅ(dng)I(y)O(sh) P(yng)C(j)I(y)֪R(sh)Ո(qng)ԃϺϪC(j)е(sh)I(y)˾P(yng)C(j)ϪP(yng)C(j)1 ϺϪC(j)еI(y)a(chn)P(yng)C(j)ϺƾP(yng)C(j)
ϺϪC(j)е(sh)I(y)˾I(y)a(chn)̖(ho)P(yng)C(j)I(y)ּϢr(sh)ģ (chung)I(y)ƷơϺپP(yng)C(j)ֱN
ػ(jin)̡P(yng)C(j)(yng)Mh(yun)xΣU(xin)I(y)^(q)x(sh)^|(zh)(jin)̵ĵطO(sh)^䓽zKcP(yng)C(j)iǰ(yng)ξP(yng)C(j)Ƅ(dng)̓A 3.ͲͲc(do)݆Č(du)ľͲ(do)݆ľxҎ(gu)ǣ۾Ͳ(yng)ھͲȵ15o۾Ͳ(yng)20ԷֹͲ\(yn)D(zhun)r(sh)䓽zKe(cu)B͌(do)݆c䓽zKĥp
ϺϪC(j)е(sh)I(y)˾ I(y)a(chn)̖(ho)P(yng)C(j)JKJM0.5~32нӸƷǘ(bio)P(yng)C(j) ϺپP(yng)C(j)ֱN
ϺϪC(j)е(sh)I(y)˾һۺ(sh)u(y)ɿ(l)DչδЉ(mng)Ŀ(bio)нMwϵĹ˾(jin)ڎI(lng)Tδĵ·ϴŹyֹ{(ln)DϺеȵ^(q)ęC(j)еИI(y)O(sh)ИI(y)зe˴\Ŀ͑۽zԴҲի@õÑڱ鹫˾İl(f)չ춨õИI(y)A(ch)Ҳϣδ˾ܳɞИI(y)NŬИI(y)I(lng)İl(f)չI(xin)Լһ҂žĹB(ti)ȺͲƄ(chung)Լԏ(qing)Ϣ־P(yng)ĵI(y)I(lng)ϺϪC(j)е(sh)I(y)(yng)һyֲx(chung)ѿһֱԁ˾؞؈(zh)пƌW(xu)(chung)°l(f)չ\(sh)ŵķT\Ŭf(xi)ͬ^ȡƷ|(zh)(w)AЈ(chng)҂һֱ·