A.減水率 B.泌水率比 C.凝結(jié)時(shí)間差 D.含氣量 E.抗壓強(qiáng)度比
A.(1~3)MPa B.(2~4)MPa C.(3~5)MPa D.(4~6)MPa
A.3.0,0.50 B.2.5,0.45 C.0.50,0.40 D.2.5,0.50