The result showed that the air curtain could eject airflow in stead of auxiliary fan, which raised the active volume and reduced the humidity of the airflow for main ramp.

结果表明多机并联空气幕能代替辅扇引射风流，提高主斜坡道内有效风量，降低风流湿度。

youdao

When auxiliary fan without enough pressure used in shaft construction, it was possible to lead gas concentration. The powerful axial flow auxiliary fan may solve the problem.

建井期间未构成全风压通风系统时，通常采用局扇供风，往往造成瓦斯积聚，为此选用轴流式大功率局部扇风机供风，是解决长距离通风的最佳选择。

youdao

Taiyuan auxiliary boiler factory (formerly Taiyuan fan dust plant) is the development and production of environmentally friendly products and boiler auxiliary professionals Business enterprises.

太原市锅炉辅机制造厂(原太原风机除尘设备厂)是研制生产环保产品和锅炉配套辅机的专业企业。

youdao

Maybe a separate oil cooler and auxiliary cooling fan to keep it from overheating in traffic on hot days.

WSJ: Seeking the End of a Starter Problem