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通过双鸭山矿务局多年采用前进式开采的实践，对有关前进式采煤出现的问题进行论述并介绍了该方式的效果及注意的问题。
Through the practice of forward mining adopted by Shuangyashan Mining Bureau for many years, the problems of forward coal mining are discussed and the effects and problems of this method are introduced.