Actuator: a device for converting hydraulic energy into mechanical energy.
执行元件：把液压能转换为机械能的各种装置。
液压压料手臂装置。
The device can be mechanical, electrical, hydraulic or other form of combination.
该元件可以是机械的、电气的、液压的或者是其它的组合形式。
The device consists of mechanical parts and hydraulic system components.
该装置由机械部分与液压系统组成。
Use security device of hydraulic control valve to ensure the safety.
使用液控单向阀的安全装置，保证安全；
During commissioning, hydraulic system and safety device of the mill were improved.
在调试中对MLS4531立式辊磨的液压系统，安全装置进行了改进。
The device is an automatic shaping unit with hydraulic transmission system and electric combination control.
该机为液压传动、电器综合控制的自动整形机。
The hydraulic power motor has pressure regulating device.
液压马达具有压力调节装置。
They are driven by hydraulic power and equipped with a safety device against overload.
本系列机床采用液压传动，工作平稳，能无级调速，并有超负荷保险装置。
They are driven by hydraulic power and equipped with a safety device against overload.
本系列机床采用液压传动，工作平稳，能无级调速，并有超负荷保险装置。
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