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下列材料中可用作承重结构的为()。
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下列材料中可用作承重结构的为()。
A、加气混凝土
B、塑料
C、石膏板
D、轻骨料混凝土
时间:2021-09-06 19:55
关键词:
石家庄铁道大学
石家庄铁道大学土木工程材料
材料员专业基础知识
材料员
答案解析
D
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