发布时间:2025-02-08 05:36:55
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.
长沙自来水公司在我家一楼窗下安装了水表箱影响了我装修我想将窗墙拆除托宽怎么样申请挪移
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