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问题详情

建筑石膏的化学成分是( )。

A、无水硫酸钙

B、β型半水石膏

C、α型半水石膏

D、天然二水石膏

时间：2021-07-17 22:43 关键词：土木工程专升本建筑材料 2020年下学期期末考试土木工程专升本建筑材料练习题

答案解析

B

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