直接膨胀供液制冷系统
Direct expansion liquid supply refrigeration system
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
Contrast experiments between gravity feeding and direct expansion refrigeration system were carried on, performance characteristics difference of the two refrigeration systems were found out.
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