The evaporator helps cool the air, the condenser readies the refrigerant for the cooling process, and the compressor moves refrigerant back and forth between them.
蒸发器帮助空气冷却，冷却器为冷却过程准备冷却剂，压缩机将冷却剂在蒸发器与冷却器之间传递。
2
The evaporator helps cool the air, the condenser helps ready the system's refrigerant for the cooling process, and the compressor helps move refrigerant back and forth between them.
蒸发器有助于冷却空气，冷凝器帮助准备冷却过程中的制冷剂，压缩机有助于制冷剂在它们之间移动来回。
3
The main purpose of the buffer is to prevent the compressed air system pressure fluctuations, compressed air happened to prevent further cooling, prevent compressor working too much.