求翻译：在整个循环过程中，压缩机起着压缩和输送制冷剂蒸汽并造成蒸发器中低压力，冷凝器中高压力的作用，是整个系统的心脏；节流阀对制冷剂起节流降压作用并调节进入蒸发器的制冷剂流量；蒸发器是输出冷量的设备，制冷剂在蒸发器中吸收被冷却物体的热量，从而达到制取冷量的目的；冷凝器是输出热量的设备，从蒸发器中吸取的热量连同压缩机消耗的功所转化的热量在冷凝器中被冷却介质带走。是什么意思？

Throughout the cycle, the compressor plays a refrigerant vapor compression and transmission and cause the low pressure evaporator, condenser, high pressure, the heart of the whole system; throttle throttle the refrigerant from the antihypertensive effect and regulates the flow of refrigerant evapora

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In the entire cyclic process, the compressor is playing the compression and the transportation refrigerant steam and creates in the evaporator the low pressure, in the condenser the high pressure role, is the overall system heart; The throttle valve plays to the refrigerant reduces expenses the volt

In entire cycle process in the, compressor up with compression and conveying refrigeration agent steam and caused evaporator in the low pressure, condensation device in the high pressure of role, is entire system of heart; throttle valve on refrigeration agent up throttle buck role and regulation en