论述了如何利用逻辑分析、条件判断、逐步逼近的方法尽快解决液压支架立柱自降故障，该方法也可用于液压系统的其他故障的分析与排除。
Elaborate the method which USES the logic analysis, the condition judgment, approached gradually to solve the hydraulic support column from fall the breakdown as soon as possible are elaborated.
论述了如何利用逻辑分析、条件判断、逐步逼近的方法尽快解决液压支架立柱自降故障，该方法也可用于液压系统的其他故障的分析与排除。
Elaborate the method which USES the logic analysis, the condition judgment, approached gradually to solve the hydraulic support column from fall the breakdown as soon as possible are elaborated.
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