通过改变进风巷道和工作面上空冷器的安装位置，获得最优的降温效果。

The optimum cooling effect was achieved by changing the installation location of the air cooler...

youdao

通过改变进风巷道和工作面上空冷器的安装位置，获得最优的降温效果。

The optimum cooling effect was achieved by changing the installation location of the air cooler...

youdao