99[单选题] 含水率为7%的砂600kg，其含水量为（）kg A.42 B.39 C.40 D.65 - 查题网

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河南成教 / 建筑材料与检测

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99[单选题]
含水率为7%的砂600kg，其含水量为（）kg

A.42

B.39

C.40

D.65

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建筑材料与检测

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