英语词汇direct expansion refrigeration怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	direct expansion refrigeration
释义	direct expansion refrigeration 简明释义直接膨胀制冷网络释义 1 [制冷]?直接膨胀制冷 ... direct evaporator 直接冷却式蒸发器 direct expansion refrigeration 直接膨胀制冷 direct heat exchanger 直接接触式热交换器 ... 2 ?直接制冷系统 ... 直接中子射线照相：direct neutron radiography 直接制冷系统：direct expansion refrigeration 直接蒸汽循环，纯蒸汽循环：straight cycle ... 双语例句 1 Contrast experiments between gravity feeding and direct expansion refrigeration system were carried on, performance characteristics difference of the two refrigeration systems were found out. 并与直接膨胀供液制冷系统做同工况下的对比实验，分析两种系统的工作特性差异。
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