A cold hand squeezed his heart. He got down on his knees and began drawing Numbers in the sand.
一只冰冷的手攫住了他的心，他跪下来开始在沙子上写数字。
The effects of different drawing intervaland top-coal fragmental size on flow character of coal-gangue and sand, and on mixed degree of coal and gangue were analyzed during drawing top-coal.
分析了不同放煤步距、顶煤块度对放煤过程中煤矸砂流动形态、混矸程度的影响。
Based on the above research results Drawing Construction of the sand, and the next step is given for the collective recommendation of maximization measures.
根据以上研究成果绘制砂体构造图，并得出了下一步挖潜措施的整体建议。'）；
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