低温泵的冷源是小型气体制冷机。
The mini-refrigerator is used as the condensation source of the modem cryopump.
您知道吗？液体制冷的效率比气体制冷高90%。
Did you know that liquid cooling is 90 percent more efficient than air cooling?
制冷运行时，液管、气管中分别是流向相反的低温液体和气体制冷剂；
Refrigeration operation, liquid pipe, windpipe respectively is the opposite of the low temperature to liquid and gas refrigerants;
在理论研究及实验论证的基础上，本文提出了一种新型的低温回热式气体制冷机。
The paper puts forward a new type of cryogenic refrigerator proved to be nor- mal working by theoretical calculation and experimental demonstration.
制冷气体由半导体制冷片产生，电流由蓄电池提供，鼓风设备由电动机充当。
Refrigerant gases generated by the semiconductor chip cooling, the current provided by the battery, the electric motor acts as blast equipment.
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.
热泵循环使用的是液体制冷剂，这个循环使得制冷剂在一个封闭环路内从液体到气体交替变化。
Heat pumps circulate a fluid refrigerant that cycles alternatively from its liquid phase to its vapor phase in a closed loop.
热泵循环使用的是液体制冷剂，这个循环使得制冷剂在一个封闭环路内从液体到气体交替变化。
Heat pumps circulate a fluid refrigerant that cycles alternatively from its liquid phase to its vapor phase in a closed loop.
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