利用PR方程计算制冷剂的热力学性质，编写了蒸气压缩制冷循环的有效能分析程序，分别对传统和新提出的冷藏冷冻箱制冷循环进行了计算。
Pr equation was adopted to calculate the thermodynamic properties of the refrigerants, and the available energy analysis for the vapor compression refrigeration cycle was programmed to calc...
单纯的“食物冷藏、冷冻箱”已不能满足人们的生活、消费等需求。
The pure "food cold storage, freezer" could not satisfy people's needs of life and consumption.
单纯的“食物冷藏、冷冻箱”已不能满足人们的生活、消费等需求。
The pure "food cold storage, freezer" could not satisfy people's needs of life and consumption.
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