地热泵的工作方式与普通的热力泵相同，区别只是地热泵是从地下吸热而不是从空中。在冬季，地热泵会将水与乙二醇(防冻剂)的混合物泵入深入地热井的管道中进行循环。
The Geothermal Heat pump: the pump USES a small amount of electricity to pump a mixture of water and antifreeze through two loops of pipe in the ground Paul wootton.
由于凝气器内复杂的热力学特性，使得水环真空泵的选型计算，不同于一般用途的选型计算，就此问题作扼要叙述。
Because of the complicated thermodynamic properties inside the condenser, the type-selective calculation of water-ring vacuum pump is allowed to be different from that in common use.
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