Coal dust

The harmful coal dust was produced during coal transportation by using belt conveyor coal preparation plant.

煤炭在洗煤厂的运输机上运送过程中产生浓烈的煤尘.

The air is so black with diesel fumes and coal dust, I can barely see.

空气中充斥着柴油烟雾和煤尘粉末，黑乎乎的，我几乎什么都看不见。

Matthew scrubbed the coal dust from his face.

马修擦掉了脸上的煤灰。

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.

He became ill after breathing coal dust for many years.

他因多年吸入煤灰而生病了.

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.

Coal worker's pneumoconiosis results from inhalation of coal dust.

煤尘肺是由吸入煤矿粉尘引起.

His face and hands were covered with grime from the coal dust.

他的脸和双手沾满了一层煤灰.

Lustrous carbon is deemed as technical data for evaluation of coal - dust.

煤粉光亮碳可作为煤粉的技术性能指标.

Enclosed case decreases pollution by coal dust.

采用密闭壳体,粉尘污染小.

Many ventilation methods have adopted, but no one could bring gas coal dust under control entirely.

虽然采取了许多通风方法, 但是都不能彻底治理综掘工作面的瓦斯、煤尘.

He moved the coal cakes away and there was only coal dust left on the floor.

他把煤饼搬走了,地下只剩下一层煤末.

FS powder can be used as a substitute for coal dust to prevent metal penetration.

FS粉 可以取代煤粉作抗粘砂材料,其加入量比煤粉少,可以显著降低型砂的灰分、水分和发气量,提高透气性.

The advantages and disadvantages of coal dust preventing techniques at domestic and abroad were analyzed.

分析研究了当前国内外粉尘防治技术的利弊.

The relation between airborne dust and coal dust at the coal terminal is discussed.

论述了煤炭港口大气降尘与煤尘污染的关系.