执行元件：把液压能转换为机械能的各种装置。
Actuator: a device for converting hydraulic energy into mechanical energy.
该装置由机械部分与液压系统组成。
The device consists of mechanical parts and hydraulic system components.
在调试中对MLS4531立式辊磨的液压系统，安全装置进行了改进。
During commissioning, hydraulic system and safety device of the mill were improved.
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.
液压马达具有压力调节装置。
顶部驱动钻井装置，分为电驱动顶驱和液压驱动顶驱。
The top drive drilling system, divided into electrical top drive and hydraulic top drive.
液压安全阀等多重保险装置。
Multiple safeties such as the hydraulic relief valve, etc...
介绍了一种新型的液压—机械复合传动装置的工作原理，给出了相应的力学计算公式。
The principle of a new type of hydro-mechanical drive device is described in the article.
液压压料手臂装置。
液压压料手臂装置。
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