Cold chain system is composed of a series of equipments, relevant operation staffs and procedures for refrigeration and temperature monitoring.
冷链系统是一系列的制冷及温度监测设备，配合相应的操作人员及操作规程所形成的系统。
Basically because of the cold storage of goods loading too high, too many reasons leading to the frequent operation of the refrigeration unit can not drop down the temperature of the car.
基本上都是因为冷藏车厢内货物装载的太高、太多的原因而导致的制冷机组频繁工作可车厢温度却降不下来。
These low-temperature stopping valves are mainly used in pipeline systems with low-temperature and deep cold mediums. featured in its flexible operation and reliable sealing.
此类型专用低温安全阀主要用于低温介质管路安全排放系统，具有开关灵活、密封可靠的特点。
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