Set high, low wind speed, visual environmental pollution, freedom of choice, energy-saving control.

设置高、低档风速，可视环境污染情况，自由选择，节能控制。

youdao

Set high, low wind speed, visual environmental pollution, freedom of choice, energy-saving control.

设置高、低档风速，可视环境污染情况，自由选择，节能控制。

youdao