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(dng)ǰλã >> }Ӗ(xn) >> طNI(y)

v_ƷI(y)CӖ(xn)Һλyԭx

2024-01-03 ϰȫӖ(xn)W(wng) 98

ȫa(chn)ڶʮlҎ(gu)ΣI(y)ĘI(y)ˆT(yng)(dng)ܰȫa(chn)Ӗ(xn)ձšİȫa(chn)֪R(sh)߰ȫa(chn)(qing)¹A(y)͑(yng)̎(j)a(chn)(jng)IλȫӖ(xn)Ҏ(gu)ԭҰȫa(chn)O(jin)3̖(ho)ʮlҎ(gu)a(chn)(jng)IλύďĘI(y)ˆTǰȫӖ(xn)r(sh)g24W(xu)r(sh)úVúVɽΣU(xin)W(xu)Ʒ񡢽ұa(chn)(jng)IλύďĘI(y)ˆTȫӖ(xn)r(sh)g72W(xu)r(sh)ÿӖ(xn)ĕr(sh)g20W(xu)r(sh)

(bo)ԃ18206863120΢̖ͬ(ho)

image.png

ΣU(xin)؛Ʒ̖(ho)GB6944Ҏ(gu)ΣU(xin)؛ָбըȼȾgԵΣU(xin)\(yn)ݔ(ch)a(chn)(jng)Iʹú̎ؔ(ci)a(chn)ph(hun)ȾҪ؄eo(h)|(zh)Ʒ

һCe

һΣU(xin)W(xu)Ʒ(jng)IλҪؓ(f)؟(z)

ΣU(xin)W(xu)Ʒ(jng)Iλȫa(chn)ˆT

CҪ

һӖ(xn)δȡáȫa(chn)֪R(sh)͹˺ϸCΣU(xin)W(xu)Ʒa(chn)(jng)IλҪؓ(f)؟(z)˺ͰȫˆT

QCȡáȫa(chn)֪R(sh)͹˺ϸCCЧѵڵijCˆT

ΣU(xin)W(xu)ƷȫI(y)ָΣU(xin)ˇ^̲Ԅ(dng)ƃxbSSo(h)I(y)

1⼰⻯ˇI(y)

2ȉA늽⹤ˇI(y)

3ȻˇI(y)

4ˇI(y)

5ϳɰˇI(y)

6ѽ⣨ѻˇI(y)

7ˇI(y)

8Ӛ乤ˇI(y)

9صˇI(y)

10ˇI(y)

11^ˇI(y)

12ˇI(y)

13ǻˇI(y)

14ۺϹˇI(y)

15ˇI(y)

16úˇI(y)

17ʯa(chn)ˇI(y)

18żˇI(y)

19Ԅ(dng)ƃxI(y)

20ΣU(xin)W(xu)Ʒ}(ch)I(y)

䌍(sh)Ұȫ߷Ҏ(gu)ҪЌ(sh)߸ΣИI(y)ĘI(y)ˆTȫ(qing)ˆTİȫR(sh)ȫI(y)ȫa(chn)ˮƽP(gun)(xing)£

 

Ӗ(xn)(du)

ΣU(xin)W(xu)Ʒa(chn)(jng)IλĘI(y)ˆT†T^m(x)TMLΣU(xin)W(xu)Ʒa(chn)(jng)IλĘI(y)ˆTָƷˆTSL(jng)a(chn)SL(jng)}챣ˆTΣU(xin)W(xu)Ʒa(chn)һTΣƷƷُˆT

image.png

ycx-Һλyԭx

ڻa(chn)У회(du)NϵM(jn)М(zhn)_ęzyԾSa(chn)(wn)ƺ͹ṩ(j)zyǻxҪ(ni)֮һ

һʽӋ(j)

ʽ(ҲQ(ji)ʽ)Ӌ(j)(ҊD4-18)ǻw(dng)Ĺ(ji)ԭw(jng)(ji)bÕr(sh)a(chn)ĉ(sh)F(xin)yġ@Ŀǰa(chn)Мyõķ֮һ

(j)Ŭ̺wBm(x)Էʽƌ(do)ʽֻҪyP,ͿԓQ

D(zhun)Ӌ(j)

D(zhun)Ӌ(j)ҪС(ÿСr(sh)װ)y乤ԭҲǹ(ji)F(xin)九(ji)Ԫǹ̶ģǿ¸(dng)D(zhun)

D4-20ʾһ(g)¸(dng)D(zhun)bñڈAFΜyУ(dng)yw¶ͨ^r(sh)D(zhun)ӵĹ(ji)D(zhun)•(hu)F(xin)ˉ(du)D(zhun)Ӯa(chn)һ(g)ϵʹD(zhun)Ƅ(dng)ڜyϿ^D(zhun)ƕ(hu)ʹ(ji)Чһλãa(chn)D(zhun)w|(zh)(du)D(zhun)Ӯa(chn)ĸߕ(hu)_(d)ƽ(du)֪w(j)ƽr(sh)D(zhun)ӵλӋ(j)õwM(jn)w

Ҫע(du)ͬһ(g)D(zhun)Ӌ(j)(dng)wܶȸD4-20D(zhun)Ӌ(j)ԭD׃r(sh)D(zhun)ͬһ߶λ(du)(yng)Dzͬ

ݷeʽӋ(j)

AX݆Ӌ(j)

EAX݆ÿD(zhun)(dng)1/4ųıy|(zh)һ(g)ݷeEAX݆ÿD(zhun)һųıy|(zh)ݷe4(du)һ֪ęEAX݆Ӌ(j)yD(zhun)

EAX݆Ӌ(j)õݷeʽӋ(j)߀݆Ӌ(j)X݆Ӌ(j)pD(zhun)(ݗU)Ӌ(j)

u݆Ӌ(j)

D4-22ʾw(dng)Ĺܵ(ni)bһ(g)D(zhun)(dng)~݆(dng)wͨ^~݆r(sh)wĄ(dng)ʹ~݆D(zhun)(dng)һһwD(zhun)cٳɾP(gun)ϵy~݆D(zhun)ٻD(zhun)(sh)ͿԴ_^ܵw

˜y~݆D(zhun)u݆Ҫʹøߌ(do)Բܵnj(do)Ųϣ@ⲿȦԸܵ~݆D(zhun)(dng)r(sh)·Ĵ׃

@NyҪڹܵзD(zhun)(dng)Ԫ(hu)ɉpʧws߀׶ܵ

늴Ӌ(j)

D4-23ʾ(dng)y|(zh)Ќ(do)ԵҺw|(zh)r(sh)늴ŸБ(yng)ԭy(do)wڴň\(yn)(dng)a(chn)늄ݣБ(yng)늄ݴСcwƽٳˣywa(chn)늄ݾͿӋ(j)ٴСС

˱y(do)ܵĹܱڶ·ʹy(do)ڴňбMܵؽ͜upy(do)ܑ(yng)ɷnj(do)ŵĸƳ粣䓻P䓲ϵ(dng)ʹòP䓲ϕr(sh)wе늄ݱܱڶ·Ҫڜyܵă(ni)Ϳ^ӻr^׹ܡ

늴Ӌ(j)c(din)܉yA}ҺԼйww({)wSҺwֻܜy(do)Һw

늴Ӌ(j)br(sh)һҪh(yun)xһ늴ň(늙C(j)׃),ʹעSo(h)zֹ늘Ocܵg^Ɖ

uӋ(j)

wдֱһ(g)͵ul(f)w(dng)Z(sh)_(d)һ(sh)ֵr(sh)(hu)ήa(chn)ƽР½F(xin)u@ЩuֵԵ·ʷQu֡u֡(ҊD4-24)

(dng)u֮gľxhͬеău֮gľxl֮ȝMh/l=0.281r(sh)ta(chn)ĜuǷ(wn)

˕r(sh)΂(c)ua(chn)lfcwƽٶvul(f)wČdP(gun)ϵ

f=Stv/a

ʽS,˹؄ڹϵ(sh)(dng)Z(sh)Re=51021510⁴r(sh)St=0.2ɴ˿Ҋ(dng)S,ƞ鳣(sh)r(sh)ua(chn)lfcwƽvȣylʼQ

ulʵęzyжNݷ(yng)•

ϾP(gun)ڡv_ΣƷI(y)CӖ(xn)ҺλyԭxȫBҪԔ(x)˽P(gun)nՈc(din)Ԓԃ15288489748ֱӓܴ

ϰȫӖ(xn)W(wng)ṩطNI(y)Ӗ(xn)طNO(sh)Ӗ(xn)סӖ(xn)Ӗ(xn)šI(y)CӖ(xn)Ӗ(xn)(yng)ȫӖ(xn)¿ԇӖ(xn)ԔՈԒԃ

“(lin)ϵԒ15288489748

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