单项选择题
A.0.70~0.77、0.22~0.59B.0.80~0.87、0.32~0.69C.0.90~0.97、0.42~0.79D.0.87~0.93、0.52~0.89
A.硬度B.密度C.强度D.孔隙
A.滤失量B.密度C.切力D.泥饼