15zj211

  • 15zj211,k16O4到唐山要经过哪些站?

    怎么样计算M7.5水泥沙浆的定额基价1、根据定额配合比表得:每立方M5混合砂浆中,P.S35水泥用量0.277T,细砂23m3,石灰膏76kg,水0.34m3。每立方M0混合砂浆中,P.S35水泥用量0.245T,细砂23m3,石灰膏107kg,水...
    [29] 15zj211
    2023 / 10 / 20 20:17:10

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