;
;The chimney is almost choked up with soot.
烟
被烟垢堵住了。
The chimney is almost choked up with soot.
烟被烟垢堵住了。
The inside of a chimney soon gets covered in soot.
烟里面很快就覆盖了一层煤烟。
Soot is the product of the imperfect combustion of fuel.
煤烟是燃料不完全燃烧的产物。
In tunnels, a lashing backwind fills the cab with soot.
过隧道时，反向风把煤灰灌进驾驶室。
Soot is usually the product of the imperfect combustion of fuel.
煤烟通常是燃料不完全燃烧的产物。
It is brought forward a technique craftwork of dust remove of acetylith soot by analysis of acetylith soot . It takes a good effect .
本文对电石烟尘的特征进行分析,提出了电石炉烟气除尘的工艺方案,经实践取得较好的效果。
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