“direct-expansion refrigeration”的概念、定义、翻译、参考文献-科学参考

单词	direct-expansion refrigeration
释义	direct-expansion refrigeration Encyclopedia 工学直接膨胀制冷释 direct-expansion refrigeration直接膨胀制冷不需要另设独立的制冷系统，原料气降温依靠串接在系统中的各种类型膨胀制冷设备来完成，制冷能力直接取决于气体的压力、组成、膨胀比及膨胀制冷设备的热力学效率的工艺方法。又称膨胀制冷法或自冷法。
随便看	single-valued mapping single-valuedness single-valued operation single-valued predicate single-valued singular point single-valued transformation single valve control single-variable finite element single-variable system single variable systems single vector single-velocity equation single-walled carbon nanohorn single walled carbon nanotube single-walled carbon nanotube single warhead single weft-knitted fabric single well convection solution mining method single well gas gathering process with atmospheric temperature separation single well gas production process single-well metering station single window of international trade single yarn sizing machine single－column disconnector singly even number

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