In tunnels, a lashing backwind fills the cab with soot.

过隧道时，反向风把煤驾驶室。

Soot is usually the product of the imperfect combustion of fuel.

煤通常是燃料不完全燃烧的产物。

Soot is the product of the imperfect combustion of fuel.

煤是燃料不完全燃烧的产物。

The chimney is almost choked up with soot.

几乎被垢堵住了。

The inside of a chimney soon gets covered in soot.

里面很快就覆盖了一层煤。

It is brought forward a technique craftwork of dust remove of acetylith soot by analysis of acetylith soot . It takes a good effect .

本文对电石尘的特征行分析,提出了电石炉气除尘的工艺方案,经实践取得较好的效果。