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本文结合M250型履带起重机快慢挡修复实例,分析了M250履带起重机快慢挡控制的工作原理及其存在问题和最终修复方案。
In this paper, combined with M250 crawler crane fast and slow block repair cases, analysis of the M250 crawler crane speed block control of the working principle and its problems and the final repair program.