[单选题]混凝土用砂的细度模数一般在（ ）范围内
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2023-11-01 15:06:52|
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[单选题]混凝土用砂的细度模数一般在（ ）范围内
A.3.7～3.1
B.3.7～1.6
C.3.0～2.3
D.2.2～1.6
A.3.7～3.1
B.3.7～1.6
C.3.0～2.3
D.2.2～1.6
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