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分析了滚筒式采煤机在应用中存在的主要问题及高压水细射流辅助落煤技术应用现状；提出高压水细射流技术成功应用于辅助落煤需解决的技术问题。
The main problems existing in the application of drum shearer and the application status of high-pressure water jet-assisted coal-falling technology are analyzed. The technical problems that high-pressure water jet technology is successfully applied to assist coal falling are proposed.