The interlaced heat pump flow has a total temperature difference that is lower than other heat pump flows and can be applied to the low - temperature evaporation for the heat - sensitive materials.
间隔式多效热泵流程不但可以大幅节能，减少总温差费用支出，还能在更多效保持低温水平，非常适于热敏性物料的低温蒸发浓缩。
Thought water is a good refrigerant, it is difficult to be used directly in a common compression refrigeration system due to its very low pressure and vapor density at the evaporation temperature.
由于水的蒸发压力低、比容大使得水作为制冷剂直接用于压缩式制冷系统还有很大的困难。
It is noted that all these four schemes are economically feasible. The one based on a direct evaporation of refrigerant and low-temperature air supply system enjoys the best economy.
这四种方案在经济上是可行的，其中以冷媒直接蒸发，低温送风系统的经济性最佳。
It is noted that all these four schemes are economically feasible. The one based on a direct evaporation of refrigerant and low-temperature air supply system enjoys the best economy.
这四种方案在经济上是可行的，其中以冷媒直接蒸发，低温送风系统的经济性最佳。
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