[单选题]在普通混凝土的基本组成材料中，各材料所占比例(按绝对体积计)大约为( )
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2023-11-01 15:19:37|
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[单选题]在普通混凝土的基本组成材料中，各材料所占比例(按绝对体积计)大约为( )
A.水泥石占40％，砂占40%，石子占20％
B.骨料占30％，水泥石占70％
C.骨料与水泥石各占50％
D.骨料占70％，水泥石占30％
A.水泥石占40％，砂占40%，石子占20％
B.骨料占30％，水泥石占70％
C.骨料与水泥石各占50％
D.骨料占70％，水泥石占30％
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