- 相关例句
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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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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Air leak seriously influences coal face supersedure at second air road of Dongyi mining area.
东一采区二段风道小井漏风严重影响了采煤工作面的接续,制约采区巷道维修.
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矿井工作面煤岩体的电性特征异常关系到煤矿安全生产.
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