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针对矿井老型号轴流式扇风机的结构缺陷,结合现场实际进行了技术改造,提高了主 扇运动效率,收到了显著的经济效益。
Aiming at the structural defects of the old axial fan fan in the mine, the technical transformation was carried out according to the actual situation in the mine, the main fan movement efficiency was improved, and significant economic benefits were received.