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问题详情

建筑产品的价值构成中，材料的价值约为（）.

A、30%

B、50%

C、70%

D、90%

时间：2021-07-17 22:53 关键词：土木工程专升本建筑力学基础 20级《建筑力学基础》期末考试（镇江上元）桂林理工大学工程管理房地产开发与经营

答案解析

C

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