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膨胀致冷
1、refrigeration oil───冷冻机油，[机]冷冻油
2、expansion card───扩充插件板[卡]；扩展卡；扩充插件板
3、thermal expansion───[热]热膨胀；热膨胀; 热胀
4、expansion───n.膨胀；阐述；扩张物
5、expansion valve───膨胀阀，安全阀；[机]膨胀阀；安全阀
6、expansion pack───扩展包
7、expansion diffusion───[地理]扩展扩散
8、territorial expansion───[法]领土扩张
9、market expansion───[经] 市场扩展阶段
1、combining with novel control methods, optimum control of refrigeration system and high energy-saving effects can be realized.───配合新型控制方式，可以实现制冷XiTong的优化控制和大幅度地提高节能效果。
2、This paper describes the stability of control loop consisting of refrigeration evaporator and thermostatic expansion valve. It may directly influence refrigerating efficiency and operation safety.───分析热力膨胀阀和蒸发器调节XiTong的稳定性，它直接影响着制冷效率和运行安全。
3、Direct throttling expansion refrigeration is an ordinary low temperature separation method, which can be used to recover light hydrocarbon.───直接节流膨胀制冷工艺是轻烃回收用低温分离方法中最常见的一种，要求天然气必须有较大的可利用压能和压差。
4、Expansion Refrigeration of Tail Gas in Ethylene Plant and Its Effect on Cryogenic Separation───乙烯装置中尾气膨胀制冷及对深冷分离的影响
5、Application of turbine expansion refrigeration in high temperature mines───透平膨胀制冷在高温矿井降温中的应用
6、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XiTong做同工况下的对比实验，分析两种XiTong的工作特性差异。