欲制得低熱水泥,應(yīng)限制硅酸鹽水泥熟料中()礦物含量。 a)C3S b)C2S c)C3A d)C4AF
A.a+b B.b+c C.c+d D.a+c
A.C3S B.C3A C.C2S D.C4AF