But due to the compressibility of gas significantly higher than fluid, the state equation of gas is different from fluid.
但由于气体的可压缩性明显大于液体，因而气体的状态方程与液体完全不同。
In this article, the leakage of the blade pneumatic motors is analyzed basing upon the compressibility of gas and the corresponding formula is also deduced.
本文在考虑气体的可压缩性基础上对叶片气动马达的泄漏进行分析，并推导了相应公式。
A performance prediction model is established in this paper which taking ac count into gas compressibility and the change of cross section area of flow channel.
本文建立的性能预测模型考虑了气相的可压缩性和沿流道的截面面积的变化，介绍了数值模拟的方法和步骤。
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