提出了冲击该、气体膨胀压和反射拉伸波在破岩过程中各自所起的不同作用。
The different effects of shock wave, gas expansion pressure, reflected extension wave are put forward.
泄压阀可以避免气囊过分膨胀。
Pressure relief valve to prevent over inflation of the air bag.
试验表明，该空气轴承中压透平膨胀机的性能是优良的。
The experiments have shown that the performance of this air bearing turbine is excellent.
试验表明，该空气轴承中压透平膨胀机的性能是优良的。
The experiments have shown that the performance of this air bearing turbine is excellent.
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