日韩综合AV一区二区三区|久久国产乱了一伦精品免费|国偷自产Av一区二区三区吞精|欧美成人精品视频一区二区三区

<menuitem id="wrhpl"><dfn id="wrhpl"><thead id="wrhpl"></thead></dfn></menuitem>
    1. <bdo id="wrhpl"></bdo>

      <menuitem id="wrhpl"><dfn id="wrhpl"></dfn></menuitem>
      1. <bdo id="wrhpl"></bdo>

          <track id="wrhpl"><span id="wrhpl"></span></track>
        1. <nobr id="wrhpl"><optgroup id="wrhpl"></optgroup></nobr>

        2. <tbody id="wrhpl"><div id="wrhpl"></div></tbody>
          <track id="wrhpl"></track>
          <bdo id="wrhpl"></bdo>
            <tbody id="wrhpl"><span id="wrhpl"></span></tbody>

            gӭMӱhƼ޹˾IWվ
            ȫ՟ᾀ 139-0328-0406
            ]ʽsS
            “ϵʽ

            “ϵˣֽ

            ֙C18831888698

            ]䣺hbanlai@126.com

            ߣhengkeԴӱhƼ޹˾
            ӱ팣IsˮaSaƷҎ̖Rȫr񌍻sˮһNˮsbˮc^Ŀ՚MПύQ|Qʹˮ½sЧsҪ֮һxsrҪ]s̶sˮضǷҪͨbͨL^õĵطaƷVڿ{ѭhˮϵy͹Iѭhˮϵy
            sˮ

            һNˮsbˮc^Ŀ՚MПύQ|Qʹˮ½Vڿ{ѭhˮϵy͹Iѭhˮϵyһˮ̎rsЧsҪ֮һxsrҪ]s̶sˮضǷҪͨbͨL^õĵط
            sˮsˮMнsˮYsˮˮ픲ͨ^ܵ‡ˮдLCѿ՚ⴵ픲һܴijLCѿ՚ĶښˮĽڇܵϷ· UյPVCzɢ_ˮεɢrgOӋΠǑpΠˮͿ՚MЌQ
            sˮOӋ
            1˜ʹrMˮضt1=37ˮضt2=32OӋضτ=28ˮضΔt=5t2-τ=5
            2МعrMˮضt1=43ˮضt2=33OӋضτ=28ˮضΔt=10t2-τ=6
            3ߜعrMˮضt1=60ˮضt2=35OӋضτ=28ˮضΔt=25t2-τ=8
            2xÕr֪ˮQMˮضt1ˮضt2OӋضτȻٸĹrMПӋϵݷeɢ|ϵβ×ν£ 
            1.2xrβ×ν=18600 1.0xrβ×ν=17800 0.8xrβ×ν=17000
            3\DwˮһӋbMˮӋ㑪1.5
            4ϵsƽز-10ĵ؅^^͕rʹ]·ˮ۵ĽY}؄eڶg\^ˮֱˮۃȵѭhϵy]YĆ}Ҫrڲۃȼ늟


            sˮ÷
            Ҫڿ{sϵyϵעƸll݆CXͲļӹՉCIˮsIöĞ{szИI
            Ia乤ˇ^ЮaďUһҪsˮ팧snjUsˮc՚MПύQʹUݔo՚Ⲣɢ
            磺늏S偠tˮӟɸߜظ߉Ƅ݆Cʹl늙Cl݆CďUcsˮMПύQYˮˮô偠tѭhʹ@һ^зďUosˮʹˮضUsˮ

            PaƷ

            <menuitem id="wrhpl"><dfn id="wrhpl"><thead id="wrhpl"></thead></dfn></menuitem>
            1. <bdo id="wrhpl"></bdo>

              <menuitem id="wrhpl"><dfn id="wrhpl"></dfn></menuitem>
              1. <bdo id="wrhpl"></bdo>

                  <track id="wrhpl"><span id="wrhpl"></span></track>
                1. <nobr id="wrhpl"><optgroup id="wrhpl"></optgroup></nobr>

                2. <tbody id="wrhpl"><div id="wrhpl"></div></tbody>
                  <track id="wrhpl"></track>
                  <bdo id="wrhpl"></bdo>
                    <tbody id="wrhpl"><span id="wrhpl"></span></tbody>

                    ˙ĿoκϢ