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文章详细分析阐述了ＭＧ－３００Ｗ采煤机使用中存在的问题，介绍了相应的技术改造内容和技术经济效果。
The article analyzes and expounds the problems existing in the use of the MG-300W shearer in detail, and introduces the corresponding contents of technological transformation and technical and economic effects.