A.矿渣砂浆 B.水泥砂浆 C.混合砂浆 D.石灰砂浆
A.300×0.60(1-2.15×0.03-4.40×0.01)=160kg B.300×0.60(1-2.21×0.03-4.44×0.01)=160kg C.300×0.60(1-2.18×0.03-4.41×0.01)=160kg D.300×0.60(1-2.12×0.03-4.39×0.01)=160kg
A.1:2.12:4.39 B.1:2.15:4.40 C.1:2.18:4.41 D.1:2.21:4.44