当井和一个水池相接时，油通常会从井里上升，因为它与井下的水的密度不同，或者因为停留在它上方的膨胀气体的压力。
When the well reaches a pool, oil usually rises up the well because of its density difference with water beneath it or because of the pressure of expanding gas trapped above it.
然而，这并不能完全解释出外向燃烧的红色膨胀气体的来源。
This doesn't fully explain the source of the red-glowing outwardly expanding gas, however.
电一般是由燃气、汽或某种膨胀气体驱动透平机而产生的。
Electricity is normally generated by turbines driven by combustion gas, steam or an expanding gas.
液体制冷剂接触金属表面，从而在金属表面上产生一定体积的膨胀气体。
The liquid cryogen contacts the metal surface, generating a volume of expanding gas over the metal surface.
空调设备使用的传统的蒸发压缩循环系统中，冷却剂被压缩冷凝后膨胀气化来给房间制冷。
In conventional vapour-compression systems used by aircon units, the refrigerant is compressed and condensed and then expanded and evaporated to cool the room.
本文应用莫尔条纹法测出了从图形和方形喷嘴里吹出的不完全膨胀气流的密度分布。
Using the moire - schlieren method symmetric and asymmetric flow fields density distributions of underexpended free jets of air from circular and square nozzles have been measured.
制冷机的作用是压缩制冷剂，如安或氟利，使它获得机械能，而后膨胀气化吸热而制冷。
The chiller is compressed refrigerants, such as Ann or fluorine, and make it, then get energy absorption and refrigeration inflation gasification.
蒸气制冷剂产生减缓膨胀气体的膨胀速率的补强蒸气，从而将膨胀气体留存在金属表面上。
The vaporous cryogen creates a reinforcing vapor that slows the expansion rate of the expanding gas, localizing the expanding gas over the metal surface.
蒸气制冷剂产生减缓膨胀气体的膨胀速率的补强蒸气，从而将膨胀气体留存在金属表面上。
The vaporous cryogen creates a reinforcing vapor that slows the expansion rate of the expanding gas, localizing the expanding gas over the metal surface.
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