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。
Introduces the operating principle, the product structure characteristic of brushless rheostat starter and usage state in the Bailong coal mine preparation plant.
企业先后对多家洗煤厂进行技术改造，技术产品面向中、小洗煤企业。
Enterprise has more than coal washery to carry out technological transformation, technology-oriented products, coal washing small enterprises.
论述了东山煤矿洗煤厂改变产品结构的必要性。
This paper deals with the necessity of transforming the product structure in Coal Washing Factory of Dongshan Coal Mine.
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