rotary fan meaning in English
旋转式风扇
Examples
- Improving on automatic device for rotary fan
11型局部通风机自动切换监控器的研制 - Development of step delay auto - switching device of high - power contra - rotary fan
大功率对旋风机分级延期自动切换研制 - Application of rotary fan - shaped actual mining technology in large inclined angle face
大倾角高档普采工作面中旋转扇形回采技术的应用