发布时间:2025-02-05 06:49:53
具体如下:
商品混凝土中粉煤灰的掺量根据各地的验收规范要求进行,在商品混凝土中应使用ii级灰以上的优质粉煤灰。我们这要求在梁板混凝土中粉煤灰掺量不超过胶凝材料量的15%。
臀围很大,好象是骨盆的原因,很宽,都穿31的裤子了!怎么减小
2025-02-05 06:49:53 2025-02-05 06:49:53 2025-02-05 06:49:53 2025-02-05 06:49:53 2025-02-05 06:49:53 2025-02-05 06:49:53 2025-02-05 06:49:53 2025-02-05 06:49:53物权法有关于房屋漏水纠纷的规定吗假设业主房子墙内水管漏水物业要承担共同责任吗
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