Introduces the operating principle, the product structure characteristic of brushless rheostat starter and usage state in the Bailong coal mine preparation plant.
介绍了无刷变阻起动器的工作原理、产品结构特征，以及在白龙矿洗煤厂的使用情况。
Discusses the existing problems of slime dense medium system in Xiqu coal mine preparation plant, points out the solved methods, provides experience for preparation plant improving.
探讨了西曲矿选煤厂煤泥重介系统存在的问题，提出了具体的解决办法，为选煤厂改造提供经验。
The Dai River, Zhuzhuang coal mine and other coal preparation plant transferred into the washing and effective implementation of the strategy with the coal.
将岱河、朱庄等矿原煤调入选煤厂入洗，有效地配合精煤战略的实施。
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