In the evaporator, the liquid inside was for low pressure gas, and gasification draw was cooling medium heat produce refrigeration effect.
在蒸发器内，该液体被气化为低压气态，同时吸取被冷却介质的热量产生制冷效应。
High pressure gas refrigerants in the condenser cooling medium heat to be setting for liquid, through the throttle device reduced pressure cooling into the evaporator;
高压气态制冷剂在冷凝器中向冷却介质放热被凝结为液态后，经节流装置减压降温进入蒸发器；
The cooling status on the surface of the work piece in a liquid medium was recorded by a video camera.
用摄像记录了液态介质中冷却时试样表面的冷却情况。
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