搜题
问题   更新时间2023/4/3 12:59:00

下列化学式简写表达正确的有(  )

A. 铝酸三钙:C3Al
B. 硅酸三钙:C3S
C. 铁铝酸四钙:C4AF
D. 硅酸二钙:C2S

B. 硅酸三钙:C3S C. 铁铝酸四钙:C4AF D. 硅酸二钙:C2
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