发布时间:2025-02-08 05:12:45
C40的立方体抗压强度标准值(在标准养护条件下养护达到28D龄期,用标准方法测得的极限抗压强度)为40MPa.
想把两室两厅改成三室一厅面积97平方米想多个卧室方便居住目前客厅不想改变请大家帮忙附图
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