发布:2016-06-22 11:25:19 更新:2020-05-22 16:42:35
混凝土是工程建设的必须品,是一切工程建筑的基础,所以混凝土质量的好坏将是致命的。而砂石料作为混凝土结构的重要组成部分,其质量的优劣性对整个工程的质量及耐久性具有举足轻重的影响,所以砂石品质至关重要。

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