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目前我国食品冷藏库制冷系统中,在进行双级压缩制冷时普遍采用的是一次节流完全中间冷却的双级压缩制冷循环,其循环示意图和压焓图如下:
At present, China’s food refrigeration system in the refrigerator, the two-stage compression refrigeration commonly used is a full throttle intermediate cooling two-stage compression refrigeration cycle, the cycle diagram and pressure-enthalpy diagram are as follows: