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建筑石膏凝结硬化时，最主要的特点是( 　 )

A、体积膨胀大

B、体积收缩大

C、放出大量的热

D、凝结硬化快

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

D

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