Coal chutes should be carefully designed to permit the smooth flow of coal from bunker to pulverizer.
煤的管道应该被精心的设计以确保从原煤仓到磨煤机有平滑的流动。Deformation, cracking and vibration phenomenon have appeared in raw coal silo of a thermal power plant.
某电厂原煤仓出现过变形、裂缝和振动问题。The activation energy of burning biomass and coal mixture is less than that of the raw coal burning.
生物质及其与煤混合物燃烧的活化能小于原煤燃烧的活化能，生物质的加入可以提高生物质与煤混合物的反应活性。With the improvement of coal mining mechanization degree and geological conditions change, coal quality have worsen trend.
随着采煤机械化程度的提高和地质条件的变化，原煤质量有逐渐恶化的趋势。The homemade shearer is a main implement equipment of mine of high yield and efficiency in working face of production coal.
采煤机是综采工作面生产原煤和实现高产高效矿井的主要设备。Brown coal will be broken with a large angle belt conveyor, into the rolling cylinder body.
将破碎褐原煤用大倾角皮带运输机，送入滚动筒体内。Apart from some coal and abundant hydroelectricity, Chile has almost no conventional energy sources.
智利除了有着一些原煤储备与大量的水利电气产出量，它几乎没有任何的能量资源。The results show that As in coal, ash cant be leached, so as the coal gangue, for As is inertial.
结果表明：砷由于其惰性，在原煤及底灰中均淋不出，矸石中淋出率也不高。Mine run coal; run-of-mine coal Ungraded coal of various sizes as it comes from the mine.
原煤，未经筛选的煤刚出矿的未分级、大小不等的煤。