某履带起重机起升系统保护装置的改进

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介绍了P&H5300A履带起重机起升系统保护装置提升存在的问题,从原理上详细分析产生问题的原因,并提出了具体的改进措施。 The existing problems of hoisting system protection device of P & H5300A crawler crane are introduced. The causes of the problems are analyzed in detail and some specific measures for improvement are put forward.
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