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结合挤压流型气力输送的实验研究，提出了一个简化模型，并用量纲分析和实验相结合的方法，导出了与实验结果较一致的压降数学表达式．
A simplified model is proposed based on the experimental study of pneumatic conveying of squeeze flow pattern. The mathematical model of pressure drop is derived which is consistent with the experimental results through the combination of dimension analysis and experiment.