recirculating fan是什么意思

用法例句

Experiment of recirculating air volume in recirculation evaporative cooling;

再循环蒸发冷却中再循环风量的实验研究

Calculation of sirocco circulating on tubular air pre-heater and leak proof measurement;

管式空预器热风再循环计算及防漏措施

,comprehensively analyzes the individual advantages of boiler warm air system and sirocco circulating system.

通过对机组热效率、风温调节范围、送风机功率、系统投资、系统运行性能等方面进行技术经济对比,综合分析锅炉暖风器系统与热风再循环系统各自的优越性。