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通过对DT4× 5 5 0液压支架整架试验和各种性能的技术分析 ,提出了对该支架的技术改造方案和实施办法 ,改造效果很好
Based on the whole test of DT4 × 500 hydraulic support and the technical analysis of various performances, the technical reconstruction plan and implementation method of the support are put forward, and the improvement effect is very good