在制冷系统中有一个必不可少的设备就是制冷压缩机，它为制冷系统进行制冷剂气体的压缩输送，是制冷系统的核心和心脏。而压缩机的能力和特征决定了制冷系统的能力和特征。
In a refrigeration system is a necessary equipment refrigeration compressor for refrigeration system of refrigerant gas compression transmission, is the core of the refrigeration system and heart. And the power of the compressor and characteristics to determine the ability of the refrigeration system and characteristics.
食品冷库制冷系统是由一系列的设备依统筹设计组装、安装而来。
Food cold storage refrigeration system consists of a series of equipment in accordance with the overall design, assembly, installation.
一般可区分为：制冷主机、制冷风机、控制系统、管路与阀件系统。
Can generally be divided into: refrigeration host, cooling fan, control system, piping and valve system.
在冷媒的选择方面国内主要使用的是氨系列和氟系列的冷媒。
In the choice of refrigerant domestic mainly USES the ammonia series and series of fluorine refrigerant.
与制冷系统配套的还有压力平衡装置、温度感应装置、温度记录装置、电器设备等。因此，制冷系统存冷链物流的投资中占有较大比重。
And form a complete set of refrigeration system and pressure balance device, temperature sensors, temperature recording devices, electrical equipment, etc. Therefore, the refrigeration system of cold chain logistics investment in a large proportion.
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