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通过对MXA300/4.5型滚筒采煤机使用过程中存在诸如液压系统、电控系统复杂且可靠性差以及截割部漏油等问题的分析,制定了改造方案,使用实践证明,改造基本达到了目的。
Through the analysis of problems such as the hydraulic system, the complicated and poor electric control system and the oil leakage in the cutting section during the use of the MXA300 / 4.5 drum shearer, the transformation plan was formulated and the practice proved that the transformation basically achieved the purpose .