Hydraulic pressure refers to the lift in the process of power source and transmission, hydraulic transmission is the most important part of the hydraulic cylinder.
液压是指升降机在升降过程中的动力来源及传动方式，液压传动固然离不开最重要的部位—液压油缸。
2
Install, troubleshoot and maintain powertransmission, vacuum, hydraulic and pneumatic systems, and programmable logic controls.
安装，故障排除和维护动力传动，真空，液压和气动系统以及可编程逻辑控制器。
3
It is generally composed of powertransmission system, walk device, job device, turn to brakes system, hydraulic system and control system.