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１材料的供应和质量控制（１）石材供应的选定和材料的质量为了能更好地掌握好材料的质量，我们对进场前的石料场进行考察，对所选定的石材开采场的材质进行物理性能和化学性能测试。（２）材料规格影响拌和料质量的重要因素之一就是材料的规格。为能得到符合规范的各种粒...
A material supply and quality control (1) the selection of stone supply and the quality of the material In order to better grasp the quality of the material, we inspect the stone field before the entry, the selected stone mining site Materials for physical and chemical properties of the test. (2) material specifications One of the important factors that affect the quality of mixes is the material specifications. In order to be able to get a variety of grain ...