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    r(sh)g2024-07-04 03:05:33 { ҪͶ
    • P(gun)]

    {Ŀ

    {ĿЩ?СһЩP(gun){ĿĈP(gun)YϣһСϣ(du)Ў

    {УĿ

    (һ)܇

    1ԇ܇v\(yn)·

    Dγߴ磺(ɣ170.6L447.3S254.8)

    W --쌒ȡֵ܇(܇Rͬ)0.6m;W=170.6+60=230.6

    L --܇λLȡֵ܇L0.7m;L =447.3+70=517.3

    S --܇ȡֵ܇L1.5;S =447.3*1.5=670.95

    h --܇ƾxȡֵ܇L1.5h =447.3*1.5=670.95

    ԇ^܇vM(jn);вͣ܇ĵ·һ˿ƾ(܇퉺ƾ)܇ͣ܇ǰM(jn)һ^ƾ܇ͣ܇ǰM(jn)܇

    ()µc(din)ͣ܇

    1.ƾ;

    ͣ܇Uȡֵ0.3m;

    i --¶ȡֵ10%;

    l --Lȡֵ(QȫL)܇ڵ30mС܇ڵ20mĦ܇ڵ8m;

    R --Q돽ȡֵ30m;

    S1S2 --ͣ܇ƾͣ܇Uľxȡֵ0.65m15+50=65cm

    2Ҫ

    ܇v(zhn)_ͣ܇,ƽ(wn),܇vú𲽕r(sh)gó^30s

    ()(c)ͣ܇

    1ԇ܇v\(yn)·

    Dγߴ磺

    19.6m(߅ƾL)

    L --܇λLͿ܇1.5܇Lp1mС܇v1.5܇L1m܇v1.5܇L;

    L=447.3*1.5+100=770.95

    W --܇λ܇0.8m;W=170.6+80=250.6

    w --܇1.5܇0.8mw=170.6*1.5+80=335.9

    2Ҫ

    ܇vڎǰͣ(wn)һε܇;ͣ܇܇݆܈܇߅λ߅

    ()

    1(xing)ĿDO(sh)Ӌ(j)

    돽:؛܇Ϳ܇܇ȡֵ12mͿ܇d؛܇ȡֵ9.5mС܇ȡֵ7.5m;

    ·؛܇Ϳ܇ȡֵ4m܇ȡֵ7mͿ܇d؛܇ȡֵ3.7mС܇ȡֵ3.5m;

    L˷֮(g)Aܡ(⻡L17.66m(ni)L9.42m)

    2Ҫ

    {܇vďһǰM(jn)?c)һD(zhun)ٶƽ(wn);ͣ܇܇݆܈܇߅

    ()ֱD(zhun)

    1ֱD(zhun)(xing)ĿDO(sh)Ӌ(j)

    L --·Lڵ1.5܇L;L=447.3*1.5=670.95 (ni)L445L800ס

    W --·С܇S1m܇ǰS4m܇vS0.5mW=254.8+100=354.8

    2Ҫ

    {܇vҎ(gu)ľ·һֱD(zhun)һͨ^;ͣ܇܇݆܈܇߅

    {УĿơP(gun)£

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