1. <tbody id="ea6wn"><div id="ea6wn"><address id="ea6wn"></address></div></tbody>
      <menuitem id="ea6wn"><dfn id="ea6wn"><menu id="ea6wn"></menu></dfn></menuitem>
        <bdo id="ea6wn"><dfn id="ea6wn"><thead id="ea6wn"></thead></dfn></bdo>

        1. <menuitem id="ea6wn"><dfn id="ea6wn"><thead id="ea6wn"></thead></dfn></menuitem>
            <track id="ea6wn"><div id="ea6wn"></div></track>
            <tbody id="ea6wn"><div id="ea6wn"></div></tbody>

          1. 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

            九九久久精品国产AV片国产
            1. <tbody id="ea6wn"><div id="ea6wn"><address id="ea6wn"></address></div></tbody>
              <menuitem id="ea6wn"><dfn id="ea6wn"><menu id="ea6wn"></menu></dfn></menuitem>
                <bdo id="ea6wn"><dfn id="ea6wn"><thead id="ea6wn"></thead></dfn></bdo>

                1. <menuitem id="ea6wn"><dfn id="ea6wn"><thead id="ea6wn"></thead></dfn></menuitem>
                    <track id="ea6wn"><div id="ea6wn"></div></track>
                    <tbody id="ea6wn"><div id="ea6wn"></div></tbody>

                  1. ˙ĿoκϢ