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- vapour cycle cooling 气相循环致冷
- Import compressor fluorine free, double cycle cooling, cold and hot alternative easily, environment pollution free, precise in temperature control. 进口无氟压缩机组，双循环制冷，冷热交换能力强，无环境污染，控温精准。
- Study on High-Speed Motor Driving Air Cycle Cooling Technique 高速电机驱动的空气循环制冷技术研究
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- Vapour can be changed into liquid by cooling. 蒸气可以通过冷却变成液体。
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
- Water can be changed into vapour when heated. 水被加热时，可以变成水蒸汽。
- In cooling, the rivet contracts. 铆钉在冷却时会收缩。
- This water vapour rises, condenses on cooling, and falls as rain. 水蒸汽升入空中，遇冷凝成雨滴而下降。
- The vapour then passes to the compressor and the cycle is repeated. 随后,蒸气又流过压缩机,重复上述循环。
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- A cooling drink is welcome on a hot day. 在热天清凉饮料很受欢迎。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- This water vapour rises,condenses on cooling,and falls as rain. 水蒸汽升入空中，遇冷凝成雨滴而下降。
- The seasons of the year make a cycle. 一年四季构成一个循环。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- Steam condenses into water when cooling down. 蒸汽冷却时凝结成水。
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
