ømȻǽQͨ^(dng)ֶ,Ч^@,(sh)`Cڵ·^(yn)صĵ^(q)bõĸ,҃(ni)Խ30dB
һx
1пղ
пղղߵĸһпղÃƬƬʹøߏ(qing)ȸߚԏ(f)ճY(ji)Ƭc(ni)XϽճY(ji)ƳɵĸЧܸᲣпղnjI(y)ĸmȻ(du)fԒЧ(du)ͨеlǛ]Чġпղܲ˲пղЧdz
2ղܼȱc(din)
ղnjƬƽ岣]g϶ղܷŚƬ֮gg϶01-02mmղăƬһһƬǵݗ䲣@Ӿ͌ͨ^ղĂ(do)(du)ݗ䷽ʽɢʧğή
ԭρղDze(cu)ǣղȱc(din)һmȻ܉ֹǸ(j)AW(xu)팍(sh)(yn)ҵęzy(c)@ʾղ˱CՌӣڲ֮gۿҊĹw֧γɹwЧ]@ղ?yn)w(hu)B©BԼۼڲwڜضꖹɏIJӽU(ku)ɢM(jn)ՌӃ(ni)M(jn)ӰղʹÉ
3Azܼ(yu)c(din)
Azĸķ|(zh)ɣܶȣܶcȳ˷eQwĴ˽^AzĶ֪AzһǃɌӲzƬMɣȲܶȴAzܶȴ
AzܵǺЧ(yng)c(dng)ƵĿڣǺЧ(yng)lʲҪlηAzǺЧ(yng)F(xin)3000Hzңh(yun)xеlĽͨĿǰķæͨɵõĸ
AzgzƬஔ(dng)һƬӣЧֹ(dng)Ķ߲ĸܡ֪ͨ^ײʹa(chn)(dng)ĶΌӲпղղAz(hu)ײa(chn)(dng)(dng)ta(chn)AzzƬЧͲ(dng)
AzĤĜpԽAzwܾԽã1~3ؐeᘌ(du)еlĸoҸõĶŰzƬǾϩsȩ֬(jng)܄ܻD͵һN߷ӲNJAzõzƬõĸIɹͰȫܣܷdz
AzܺʹÉL(zhng)ղAzx
Ͳĵx
NһNXϽһNһNǔXx^ܶ͑ɻxķNЧã҂ÏĎׂ(g)Д:
1Ͳ^̶ԣ
xõXϽͲIJõă(yu)|(zh)ߏ(qing)ȹI(y)XͲͬͨXϽͲģTǶƵĸһXϽ?q)ڶͨõģ_ܷ͔X\(yn)ԭͲֱиӹȻM(jn)нMbc֮g㕽ܷ;Ͳô롣
2ͲĵҪ;v
ƵXϽԺӲȸڸL(fng)m^mͲԼXͲҪڸصЧ^@ҪքeԼXͲĵԭv^PVC֬Ҫԭһķ(wn)ɫ䄩⾀Մ(jng)DͲͲĶǻY(ji)(gu)O(sh)Ӌ(j)_(d)˸Ч
XnjXϽg_Ӳ܌_XϽBһw҂֪ό(do)@ҪȽ@ӟͲͨ^(g)ϵĸҲ׃áXĸҲe(cu)
3IJ|(zh)ܶȶ
ͲܶȶXϽܶǔXܶțQܶȶXϽĸǔX
4ʹÉԣ
XϽܶȸߣӲȸ׃(qing)Ûϵ(sh)ϻꔵ(sh)ãʹÉL(zhng)ǔX̵ͲϷ^(q)ٵС^(q)ʹ䓴6(hu)F(xin)ƽ_Ʉ(dng)(do)µğoP(gun)]Ó ݆o_P(gun)ϵĻW(xu)ܲ(wn)ꖹ⾀ͲğÛsa(chn)p϶ұ氵l(f)S
5ĭh(hun)Ƕȶԣ
XͲa(chn)^̌(du)h(hun)Ⱦ(yn)أ(gu)(ni)ᳫ(ji)ܭh(hun)ȾԴa(chn)Y|(zh)S^Ͳ^|(zh)ͲʹU}(wn)ƷU0612֮gUһN(du)wк|(zh)(dng)|(zh)Ͳϻr(sh)(hu)UۉmL(zhng)ڽ|(hu)ʹѪҺU(bio)Uж
傀(g)^xXϽXm
x
mȻ(du)ĸЧӰ푲Ǻܴ,nj(du)ĉa(chn)Ӱ푡õҲǺÉĵĘ(bio)(zhn)z(yn)ҪĎׂ(g):
1
|(zh)?j)?yu)|(zh)⻬ȥ]ʲôɫКƽĬF(xin)tf|(zh)
2ǷY(ji)(sh)
ܶ^C(j)(chng)Ƿdzص҂xõ횳ܸƽ_͵ĸ|(zh)ҪҪ]_(ti)L(fng)صӰ
3ДĉL(zhng)̣
ʹ5-10|(zh)ÉֱӰ푸ĉ
ܷϵx
1(gu)Tõܷϣ
Ŀǰ(gu)õܷzl|(zh)ҪжzԪұz۰w(Pzϻ܃(yu)Ԫұzʹ^ߣ_(d)60
2(gu)(ni)Tõܷϣ
(gu)(ni)TܷϵЈ(chng)ϣܾϩ|(zh)ܷlռ_(d)90ИI(y)P(gun)T]ʹõĸԸ߾ۺ϶ȾϩԏwܷlЈ(chng)ռʘO͡
3xõܷϣ
xõܷԪұzԪұz҇(gu)60ɱW(xu)I(y)оԺƳTϑ(yng)ú_l(f)H90ڲűճ2000C(j)е˾zƷS_l(f)ͬѮͨ^˽O(sh)P(gun)ҵ(yn)Ŀǰ̎a(chn)AΣHЇ(gu)(ni)һЩߙnTa(chn)Sʹ
_ʽx
_ʽЎN̶ʽϑʽƽ_ʽʽҊƽ_ʽʽɷNxƽ_ʽ߀ʽܷ҂ׂ(g)Ƕȷ
1y(tng)Ĵƽ_ܷҪͬ
֪ͨTƽ_ЧҪ?yn)ͨƽ_ʽP(gun)Ϻ^ܺͨû݆ʽ(hu)݆܉̎B⣬NڵIJc֮gܷԲy(tng)ƽ_ʽܷԱʽЩ
ͬͨһɲϛQһքtɸwܷԛQġc֮gܷ֮̎gܷ̎c֮gܷ̎dzxÃ(yu)|(zh)ܷĸĸЧdze(cu)
2ʽƽ_ʽ(ji)ʡge
Ŀǰڳ]ӹ(ji)ʡgʽ?yn)ֻռ҃?ni)ge^ֲM(fi)gƽ_ʽǼbԒһx(ni)ƽ_@Ӽռ҃(ni)Ŀge֮a(chn)ȫǼСĸҪע⣬MҪxƽ_ʽ
3ƽ_ʽb(dng)ľʽtã
ƽ_ʽõď(f)ϸ?yn)dzͨĴ_(ti)λòb@ҪҪԭĴԭĴЃɴ[һI(y)oo_l(f)̽ӕr(sh)ǽy(tng)һ^@һ϶Ӱw^ԭ_l(f)̰bĕr(sh)һ(hu)ˮ̎bĸİbˆTǷ߂ˮg(sh)Ƿ(hu)ˮ̎ˮ̎(dng)(hu)(do)´BˮʽԭA(ch)ϼbһ(du)ԭ(hu)Ɖֻ4cmλü
4ƽ_ʽںܴȫ[
ƽ_ʽҪȵһ(c)bq朁M(jn)й̶_ƽ_Ҫռ?j)һKgδL(fng)r(sh)ܓp(du)Ҫdzƽ_ʽҪ֔(jn)?yn)ƽ_ʽҪeߣ_(ti)L(fng)(jng)Ϸкͽ(jng)δL(fng)ıжxļ(j)eʹÓʽõһXϽb҃(ni)λã^ȫ
5(yng)]ҾƷһʹã
҂һ㶼(hu)bзIʹxøĕr(sh)ҲҪ]@ЩĿǰĸ]в÷IһwĴҪļͥ߀ҪbIͼ
(ni)ƽ_ĸҪѷIW(wng) bʹdz҃(ni)ҪbԒϲλʽͲͬĿgbֻҪA(y)ĿgͿӰ푴İbʹ
_ʽʽƽ_ʽ(ji)ʡgȫ҂?c)xr(sh)ҪĹ̶˼Sģʽl(f)(yng)ԓ^ԇ Чe(yu)ȱc(din)Q