中粒级配地沥青混凝土 medium grained asphalt concrete
计算结果表明所给的优化模型及算法对于堆积颗粒系统中颗粒级配的优化是可行的。
The results of computation show that the model and the arithmetic are feasible for optimization of grain composition of packing particles in general.
在固液相填充复合体系中，采用合理的颗粒级配可使颗粒排列更加紧密，提高堆积密度。
In composite system filled with solid and solid liquid phase, rational particle grade improve particles arrangement closer and increase stacking density.
新标准中对于比表面积更重视一些，而针对水泥颗粒级配则尚无具体要求。
New standards for specific surface area, and pay more attention to some light of the cement particle gradation is no specific requirement.
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