The cooling unit is made using a cooling part of a cooling cycle which circulates a coolant between a heat-radiating part and the cooling part.

所述冷却装置使用冷却循环中的冷却部件来构造，所述冷却循环使冷却剂在散热部件和所述冷却部件之间循环。

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For the indirect cooling method, glycol liquid as the secondary coolant is cooled in the refrigerating unit, pumped to the cooler in the house to cool the air.

乙二醇间接制冷方式是通过低温盐水机组将乙二醇降到一定温度，通过循环泵将乙二醇溶液供到需要制冷的气调库内换热器中，再由换热器对库内环境进行制冷。

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With cold starting devices, such as inlet pre-heater, optional fuel heater and coolant heater, the unit has solved the difficult starting problem under low temperature and high altitude areas.

机组装有进气预热器，可选装燃油加热器和冷却液加热器等冷启动装置，解决机组在低温、高海拔地区的发动机起动难问题。

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When the truck is stopped, the driver turns on an air handler that circulates coolant around the ice and blows cold air from the unit into the bunk area of the cab.

CNN: An eco-friendly way to cool big trucks