发布时间:2025-02-01 04:19:15
一方混凝土所有用的材料质量之和 就是总质量 各种材料除以水泥质量的数值之比就是重量比
比如C20配比是 水泥170 矿粉 80 粉煤灰70 砂850 石1000 水175 外加剂 6kg 他们质量之和为2351
那麼它的质量比为 水泥:矿粉:粉煤灰:砂:石:水:外加剂=170/170:80/170:70/170:850/170:1000/170:175/170:6/170=1:0.47:0.41:5:5.88:1.03:0.35
卧室里的家具是橡木黄色地板是深土黄色偏红请问用什么颜色的涂料刷墙面好看
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