A two-stage compression variable frequency air source heat pump (TV-ASHP) has been developed combining variable frequency technology with two-stage compression cycle.
将双级压缩和变频技术有机结合，提出一种适用于寒冷地区双级压缩变频空气源热泵系统。
As two means to get a low temperature, two-stage compression cycle and cascade cycle have their advantages of economical performance in different temperature range.
对于获取低温的两种手段—双级压缩循环和复叠循环来说，它们分别在不同的温区具有经济性优势。
The results show that N2O plays a better comprehensive performance than CO2 in transcritical two stage compression expander refrigeration cycle.
将天然工质N2O用于跨临界循环，建立了相应的理论模型，比较了CO2和N2O用于跨临界两级压缩膨胀制冷循环的性能。
The shock compression properties of emulsifier OP-10 were studied using a two-stage light-gas gun equipment.
利用二级轻气炮装置研究了OP乳化剂的冲击压缩特性。
The shock compression properties of emulsifier OP-10 were studied using a two-stage light-gas gun equipment.
利用二级轻气炮装置研究了OP乳化剂的冲击压缩特性。
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