为正确评定通风机流量测量不确定度、提高通风机试验准确度寻找科学依据。
Thus, this will provide basis for the correct assessment of uncertainty of fan's flowrate measurement and the improvement of the accuracy degree o…
试验结果表明，该调节门是一种较为理想的流量调节装置，完全适用于通风机性能测试。
The experimental results show that the new valve functions to well in testing the rate of gas flow that it can be applied to the performance testing of ventilators.
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。
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.
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