经济器 meaning in English

economizer

Thermodynamic bebavior of scroll compressor with economizer for heat pump
涡旋压缩机经济器系统的性能分析
Thermodynamic analyses of scroll refrigeration system with economizer
带经济器的涡旋压缩机制冷循环热力学分析
Development of experimental research on heat transfer and friction characteristics of fin - and - tube hechanger - correlation
经济器补气压力对双螺杆制冷压缩机性能影响的试验研究
The quasi two - stage compression heat pump system with economizer can effectively improve the deficiencies of conventional air - source heat pump when running in low ambient temperature
带经济器准二级压缩热泵系统可以很好地解决空气源热泵低温适应性问题。