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分析了老式千吨水压机液压系统在生产中存在的问题，提出了技术改造方案，说明了改造后液压系统性能及特点，对同类设备液压系统的技术改造具有参考价值。
The problems existed in the production of the hydraulic system of the old one thousand tons of hydraulic press are analyzed. The technical transformation scheme is put forward, the performance and characteristics of the hydraulic system after the transformation are explained, which is of reference value to the technical innovation of the hydraulic system of similar equipment.