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分析了选煤系统二次筛分设备使用的筛板存在的弊病,介绍了改制后自制加工采取的措施及其结构形式、加工方法、经济比较.
The shortcomings of the sieve used in the secondary screening equipment of the coal preparation system are analyzed. The measures taken by the self-made processing after reforming, the structure, the processing method and the economic comparison are introduced.