The air is so black with diesel fumes and coal dust, I can barely see.
天空由于充满柴油机的浓烟和煤灰而如此黑，我几乎看不见。
He fell ill after breathing coal dust for many years.
呼吸了多年煤灰之后，他病倒了。
He became ill after breathing coal dust for many years.
他因多年的吸进煤灰而生病了。
His face and hands were covered with grim of coal dust.
他的脸和双手都沾满了煤炭的污垢。
He became ill after breathing (in) coal dust for many years.
因常年吸入煤粉，他病了。
The explosion characteristics of pure coal dust were studied.
实验研究了纯煤尘的爆炸特性。
His face and hands were coverd with grime from the coal dust.
他的脸和双手都沾满了煤灰和污垢。
We ran it on sawdust, cubed wood, coffee grounds and coal dust.
我们跑它木屑，立方木材，咖啡的理由，煤尘。
Coal worker's pneumoconiosis results from inhalation of coal dust.
煤炭工人的煤尘肺是由吸入煤矿粉尘引起。
He became ill after breathing in a lot of coal dust for many years.
多年来他吸入了大量煤尘，后来他得了病。
The explosion characteristics of coal dust-methane mixture were studied.
实验研究了煤尘-甲烷混合物的爆炸特性。
This product is a new kind of kiln lining materials made with coal dust ceramisite.
本产品是以粉煤灰陶粒为主要原料制成的一种新型窑衬材料。
The seam water injection is an effective measure to control coal dust concentration.
煤层注水是降低矿井粉尘浓度的有效措施之一。
It improves dust effect and working environment. It provides assure for explosion proof coal dust.
极大地改善工作面的灭尘效果，改善劳动环境，为防。
Working surface; Coal body water injection; Coal dust producing; Coal dust control rule; Preventive measure;
工作面；煤体注水；煤尘产生； 煤尘治理规律；预防措施；
Problems in research and application process of coal mine foam dust control technique were analyzed.
分析了煤矿泡沫除尘技术研究及应用过程中存在的问题。
There are usually accidents in coal mines, which are mainly gas explosion and dust explosion.
煤矿开采比较容易出事故，煤矿事故又主要是瓦斯爆炸和煤尘爆炸。
Vortex tube dust remover can apply in different size boiler and furnace to burn coal.
以涡流管组成的除尘器适应不同规模的燃煤锅炉及工业窑炉。
The result is toxic coal-dust storms.
会造成有毒的煤尘暴。
The study of dynamic model of dust particle movement in coal face;
为此，开展农业物料颗粒运动规律的系统理论的研究尤为重要。
The study of dynamic model of dust particle movement in coal face;
为此，开展农业物料颗粒运动规律的系统理论的研究尤为重要。
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