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- The simulation model of NH3/CO2 natural cascade refrigeration system was est-ablished. 摘要建立了NH3/CO2自然复叠制冷系统的仿真模型。
- Low temperature environment is simulated by using a cascade refrigeration system in the thermal vacuum test facility of spacecraft subassembly. 卫星部组件热真空试验设备制冷系统提供试验设备的冷黑环境。
- The compressor is one of the key parts in a NH3/CO2 cascade refrigeration system, and it plays an important role to the system performance and running cost. 摘要NH3/CO2复叠制冷系统中，压缩机是其中的关键部件之一，对系统的性能及运行成本具有重要的作用。
- Abstract R22 is the main present refrigerants used in cascade refrigeration cycle, which are controlled materials and need to be replaced. 摘 要 目前复叠式制冷循环中采用的R22制冷剂属于受控物质，需要寻求新的替代制冷剂。
- low temperature classical cascade refrigeration 低温复叠
- auto cascade refrigeration cycle 自复叠制冷循环
- Auto - cascade refrigeration cycle 自动复叠制冷循环
- Auto - cascade refrigeration system 自复叠制冷系统
- Auto- cascade refrigeration system 自动复叠制冷系统
- Cascade Refrigeration System in the Thermal Vacuum Test Facility 热真空试验设备复叠制冷系统
- Keep perishable foods under refrigeration. 把容易变质的食物冷藏起来。
- The water formed a cascade down the mountain. 水沿山泻下，形成一条瀑布。
- auto cascade refrigerating cycle 内复叠循环
- R290/CO2 cascaded refrigeration cycle R290／CO2复叠式制冷循环
- Analysis on the Performance of Nature-refrigerant Cascade Refrigeration System Using Liquid-suction Heat Exchanger 带回热器的自然工质复叠制冷系统性能分析
- Her hair fell over her shoulders in a cascade of curls. 她的一头卷发一直披到双肩上。
- When it rained, water would cascade down the window. 下雨的时候，雨水像瀑布一样沿着窗沿泻下。
- The fireworks went off in a cascade of colour. 烟火散开来象一片五彩缤纷的瀑布。
- The firework went off in a cascade of colour. 烟火散开像一片五彩缤纷的瀑布。
- A cascade of blood spouted from the hole. 伤口不断冒血。
