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[单选题]
掺高效减水剂/泵送剂的基准混凝土和受检混凝土的单位水泥用量为()kg/m3。
A.300
B.330
C.360
D.390
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A.300
B.330
C.360
D.390
A.360kg/m3
B.300kg/m3
C.330kg/m3
D.350kg/m3
A.(210±10)mm
B.(80±10)mm
C.(200±10)mm
D.(100±10)mm
A.360kg/m3
B.300kg/m3
C.330kg/m3
D.350kg/m3
A.(210±10)mm
B.(80±10)mm
C.(200±10)mm
D.(100±10)mm