They are particularly suitable for heavy shock loads as experienced in mining cars, support rollers, etc. Their load-carrying capacity in the axial direction is low.
它们特别适合于在采矿车，支重轮的大冷门，有经验的负载等，他们承载的轴向能力较低。
By means of numerical simulation, the research on inner-flow of mining contra-rotating axial flow fan working under low flow rate condition was made.
通过数值模拟手段，对一矿用对旋式轴流式通风机小流量工况内部流动进行了深入研究。
Methods used in choosing axial flow fans for mining ventilation system are discussed.
通过理论分析和实例计算，对矿井轴流风机的选型计算方法进行了讨论。
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