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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.mjeml.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
      未亡人人妻强行暴行BD

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