He suggested having a ceiling electric fan installed in the room. This would solve the problem of ventilating the room, for when the fan whirled, it would draw in fresh air.
他建议安装一台吊顶电风扇。这将解决房间通风问题，因为当风扇急速转动时，它将带进新鲜的空气。
2
This would solve the problem of ventilating the room, for when the fan whirled, it would draw in fresh air.
这将解决房间通风问题，因为当风扇急速转动时，它将带进新鲜的空气。
3
According to the problem existing in ventilating system, improvement process of BDK62 series mine well main fan system are introduced.