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开采下三层煤是个重大的技术问题。刊登这篇文章的目的,在于引起有关单位和同志们的重视。本文从正面提出了地方煤矿开采下三层煤的尝试。我们希望广大读者读过这篇文章之后,结合本单位的经验与教训,对诸如下列等问题提出自己的看法,以利争鸣和探索对下三层煤的开采技术:文章中谈到的内容,哪些是可行的经验?哪些是应当吸取的教训?地方煤矿开采下三层煤时应当注意哪些问题?
Mining three layers of coal is a major technical issue. The purpose of publishing this article is to draw the attention of the relevant units and comrades. This paper puts forward the attempt of mining three layers of coal from local coal mines positively. After reading this article, we hope that after reading this article, we will put forward our own views on issues such as the following in light of our own experience and lessons so as to facilitate the contention and exploration of the mining technologies for the next three coal layers: what we have said in the article, Which is a viable experience and what should be learned? What problems should be paid attention to when the local coal mines tap the three layers of coal?