巷道通风 meaning in English

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Fuzzy evaluation of air resistance in roadway ventilation
巷道通风阻力的模糊评价
The research on calculating formula of coefficient of frictional resistance of bolting and shotcreting roadways
锚喷巷道通风阻力系数的计算式研究
Application of air - curtain technique in ventilation of tunnel with large pressure differences and large fractures
空气幕技术在大压差大断面巷道通风中的应用
In the light of the fuzzy property of influence factors of air resistance in roadway ventilation , this paper establishes five standard patterns based on analyzing the influence factors , uses fuzzy recognition method to determine the membership function of the influence factors , then rationally evaluates the value of roadway ' s air resistance and whether the roadway ' s ventilation effect is good or not
摘要针对巷道中通风阻力影响的模糊性，在分析其影响因素的基础上，建立了5个标准模式，运用模糊识别的方法确定各因素的隶属函数，从而合理评判巷道中通风阻力大小与巷道通风效果的优劣。