对使乘火车航空模型的附加。
安培涡流模型不再需要使用空气使乘火车模型。
A turbulence model is no longer required to use the air entrainment model.
最后，空气使乘火车从或进入泡沫将会适当地影响压力和泡沫的音量被限制的绝热之内发表。
Finally, air entrained from or released into a confined adiabatic bubble will appropriately influence the pressure and volume of the bubble.
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