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.
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分析研究了当前国内外粉尘防治技术的利弊.
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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.
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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.
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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。
《柯林斯高阶英汉双解学习词典》
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.
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煤炭在洗煤厂的运输机上运送过程中产生浓烈的煤尘.
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For example, it required payment for workers with black lung disease from coal and rock dust.
比如说, 他要求矿主为工人提供因为灰尘导致的黑肺病的治疗.
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给出了锅炉本体、燃烧系统、燃油系统、化学水处理系统、循环水系统、发送电系统、输煤系统、除灰系统、电气系统的具体改造方案；
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Analysis on mine coal dust explosion danger degree base on normal fuzzy function
基于正态模糊数的矿井煤尘爆炸危险度分析
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