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dB˵o(h)
A1
1dBμʧl(f)ԱF(xin)
A^^ʹ
BćI
Cȫ鴤
D°ĭǹ
E̕R(sh)ϵK(dng)Дҕ
_𰸡 E
𰸽
dBμʧl(f)Ƕ̕R(sh)ϵK(dng)Дʹҕ
29-(xing)ϰdBˎίԭt
A_(ki)ʼ
Bһˎo(w)Ч߿(lin)ˎ
C_(d)Ч^m(x)Ҏ(gu)ˎ
DBm(x)3o(w)l(f)ɾp
EСSֺͣˎ
_𰸡 A
𰸽
dBˎ^ɸ(j)ͬl(f)xm(dng)ˎһĆˎС_(ki)ʼu{(dio)ܿưl(f)ֲF(xin)(yng)(yng)pЧһˎo(w)Ч߿(lin)ˎQˎ(yng)u^(gu)(jin)L(zhng)Ҏ(gu)tˎBm(x)3o(w)l(f)ɾpСSֺͣˎ
39-dB(qing)ֱ-ꇔl(f)c(din)
Aȫ鴤R(sh)ʧ
B̕R(sh)ϵK
Cl(f)r(sh)g̴o(w)R(sh)ϵK
D(g)e֫w鴤
EͻȻֹ(dng)ɫn
_𰸡 A
𰸽
dBRF(xin)OУ(qing)ֱꇔl(f)(l(f))ǰdBҊ(jin)Rl(f)^(gu)̷3ڣ(qing)ֱڡꇔ˯ȫ鴤R(sh)ʧҪc(din)
2021o(h)ʿYCԇԇ} | C(j)ϵy(tng) |
---|---|
俼}2021o(h)ʿYCԇ(sh)`ԇ}(k)} | |
俼}2021o(h)ʿYCԇI(y)(sh)(w)ԇ}(k)} | |
2021o(h)ʿYCԇ¹(ji)ԇ}ھ | R} |
2021o(h)ʿYCԇӖ(xn)c(din)yc(din)d | R} |
2021o(h)ʿYCԇԇ}d | R} |
49-dB(qing)ֱ-ꇔl(f)ʳm(x)B(ti)r(sh)Ҫo(h)ʩ
AעⱣů
B35L/min
Cֹ
Dֹ^l(f)Ⱦ
Eֺͨ
_𰸡 E
𰸽
dB(qing)ֱ-ꇔl(f)ʳm(x)B(ti)r(sh)ҪDZֻߺͨ(jng)̵Ҫr(sh)_(ki)ͬr(sh)ҲҪעo߱ůr(sh)ֹֹ^l(f)Ⱦ
59-\dBҪ(j)
Awz
B^BXƬ
CXCTMRI
DXҺz
EʷX늈D
_𰸡 E
𰸽
dBڷ(f)l(f)ҰY؏(f)ʷdzͬr(sh)X늈DҊ(jin)خԮ늸׃˲ʷX늈D\dBҪ(j)
69-(du)ڰdBm(x)l(f)o(h)ʿȑ(yng)ηN(zhn)
Aüs(zhn)
B(zhn)o}ע
C(zhn)20%¶o}ע
D(zhn)dBˎ
E(zhn)50%Һoע
_𰸡 B
𰸽
(du)ڰdBm(x)B(ti)Ļڽoo(h)ȵͬr(sh)ڶ̕r(sh)g(ni)Kֹl(f)()xˎ
79-Tl(f)dBز
Aߟ
B˯߲
C
Dw(dng)
E̼
_𰸡 D
𰸽
ߟȱ˯ƣIơW̼һ^(gu)ԴxɁyrTl(f)dBl(f)
89-dBl(f)r(sh)e(cu)`o(h)ʩ
Aʹ£(c)Pλ
BɽI(lng)
Cιˮ
D|ϡ֮g
E(qing)֫w
_𰸡 D
𰸽
dBl(f)r(sh)(yng)ˤ;(c)Pλֹ`;ιˮֹ`;wֹۼÓ;r(sh)ʹ|¾X֮gֹҧ;o˽_(ki)I(lng)ֹ^(gu)oȺ
(zh)I(y)ˎ(zh)I(y)t(y)l(wi)Yԇl(wi)(j)Qo(h)ʿYC(j)o(h)o(h)סԺt(y)R(zh)I(y)t(y)Rt(y)t(y)(zh)I(y)t(y)t(y)t(y)t(y)t(y)t(y)ǻ(zh)I(y)t(y)ǻt(y)l(wi)t(y)l(wi)t(y)(sh)`(ni)t(y)t(y)t(y)(ni)t(y)Da(chn)t(y)ˎʿ/ˎʿ/Rz(yn)Rt(y)W(xu)Փt(y)Փ
(j)(hu)Ӌ(j)Qм(j)(hu)Ӌ(j)Q(jng)(j)ע(c)(hu)Ӌ(j)CȯĘI(y)yЏĘI(y)(hu)Ӌ(j)(sh)y(tng)Ӌ(j)Ӌ(j)(j)(hu)Ӌ(j)ĘI(y)Y(w)Ya(chn)u(png)(gu)H(ni)ACCA/CATr(ji)bCy(tng)Ӌ(j)YĘI(y)