烟囱里倒灌进一股刺鼻的煤烟。
The wind'u2013the wind! There's a funny smell of soot blowing down the chimney.风啊——风啊! 烟囱里倒灌进一股刺鼻的煤烟。
Described is the technological process and control method involved in the use of programmable controllers for controlling sonic energy soot blowing and the resulting energy saving.介绍了利用可编程控制器控制声能吹尘并节能的工艺过程及控制方法。