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在对国内外现有可控循环风技术深入了解的基础上，结合矿井实际情况，推导出带漏风的采煤工作面循环风系统的有关计算公式，减少了计算值与实际值的误差，并据此成功地解决了显德旺煤矿2717采煤工作面风量不足问题．图2，参4
Based on the in-depth understanding of the existing controllable circulating wind technology both at home and abroad, the calculation formula of circulating air system with coal mine leaking surface is deduced based on the actual situation of the mine, and the error between the calculated value and the actual value is reduced. Based on this, we successfully solved the problem of insufficient air volume at 2717 coal mining face in Xiandewang Mine. Figure 2, reference 4