精校机液压伺服系统是保证工件加工精度的关键。
The hydraulic-servo system of the precise straightening machine is the key to ensure the processing accuracy of the workpiece.
它控制要求高、难度大，其性能对精校机的性能影响很大。
Its control requirement is high and difficult. Its performance has a great influence on the performance of precise straightening machine.
精校机液压伺服系统是精校机的执行环节，是实现校直工艺的必要条件。
The hydraulic-servo system of the precise straightening machine is the executive body and is the essential condition to realize straightening technics.
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