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        gӭ Lɳ“hƼ޹˾ ٷWվ
        ȫͷᾀ0731-8399 2999   24Сrᾀ156 7586 4757
        „ӑB

        Lɳ“hƼ޹˾

        ַLɳg_l^ɳI@{ﱱ·
        ַLɳgꖇҼ…^-I@
        Ԓ0731-8399 2999
        棺0731-84065155
        ֙C156 7586 4757
        Wַwww.patriciameza.com
        gīI
        ǰλã > gīI
        ͨL LܵӋ
        ϢԴ“ͨL   lrg2014-3-17   g[


        һ^
         ҂MͨLܵӋrͨx_LλĦZĦϵ@ĴҪ
         Ӌrͨ^Zʽ
        Ro=vd/
        ʽv\ճϵ2/룩
        ͞L٣/룩
        dL܃ȏף
         @һʽҲԿ\ճϵ͹܏һrZԽֵҲԽСԽС
         ӢWZČ֪Įadwݷeߴٶȣƽ٣wճϵԼܶPҊoV---RoƜʄtʽ
        Ro=udP/U=ud/
        ʽУ
        Ro--oVƜʄt
        u--ƽ

        d--ߴ
        P--Һwܶ
        U--Һwճϵ
        --ٶ
         ʽ҂Ce1ƽ׵ľι͙ܺEAܵƜʄtRoO˹ܵˮƽu5m/sٶȦ͞1.1310-6m2/s.ΠΕrƜʄtRo1;ΠEAΠrƜʄtRo2֪loVʽRo1=51/(1.1310-6)>Ro2=0.50.51.28/(1.131)
        ͨ^Ӌε1ƽ׾ιܵZڔEAε1ƽיEAιܵZ@Ҳf˾LܵڙEAL


        ܵı^
         ҂֪ӋܵǰҪL˼xҲ񝙵LL

         EALӋ㹫ʽ
         LP=3.14[1.5a+b-ab1/2]
        aEAL돽,bEAĶ̰돽.EAΔeӋ㹫ʽ:
        S=3.140.5A0.5B
        ,AEAL,BEAĶ̏
         ĮaƷĿ䛱в,һƽהemLLA2000mm,̏B600mm.
        t:
        P=3.14[1.5(1+0.3)-(10.3)1/2]=4(M)
        eһƽ׵ľLܵĝ
         O߅سߴ(AB)2000500

        P=5(M)
        ɴ˿Ҋ,EALܵĝܱȾLС20%,ҲfͬӔeL,EALܵLHLܵ80%,ͬӔeľL׃һ,OL؞2500mm̾؞400mmr,ĝ5.8m,tșEALܴ31%EAΠĿ{LܝС

         CڝܵҲLLζĶͶYijɱ


        aƷ^
        1.ͨFƤLܺͳL軨M˹LtȫԄәCеӹʡrʡܷԸ
        2.LܽӿpBܷ̎zrgһLÓʹÉLɳLһγCеgƶɵĽӿpȘOܶȸ
        3.Lܺ;L䏊ȺL^L߀Ӽӏ@ӕaLܼӹܽYȸԺoӏĮa
        4.LLܬFbПoͶһL߹Ч5-10

        Pc
        不许穿内裤方便我随时做

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