The automatic accumulator system can automatically maintain the working pressure of the accumulator in specified range and is widely applied in the hydraulic system of truck cranes.

自动蓄能器系统能够使蓄能器工作压力自动保持在设定的范围内，在汽车起重机液压系统中获得广泛应用。

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Construction vehicle's hydraulic pressure drive system is composed of diesel, hydraulic pump, hydraulic motor and working system, they interact each other.

工程车辆液压驱动系统由发动机、液压泵、液压马达、行走机构组成，这四个部分之间相互联系和影响。

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It avoid the material rebounding with using hydraulic system, working pressure can be set according to the material and dimensions of the workpiece.

采用液压系统，消除了材料回弹，工作压力可根据工件材料和大小设定。

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