actuator
noun [ C ] engineering formal or specialized uk/ˈæk.tʃu.eɪ.tər/ us/ˈæk.tʃu.eɪ.t̬ɚ/
执行器
part of a machine or system that moves something or makes something work
the cruise control actuator 巡航车速控制执行器
The actuators are powered by wires and controlled by three circuits connected to a power supply. 执行器由电线供电，并由连接到电源的三个电路控制。
See: actuate
- More examples
- A broken actuator can lock a part into position.
- The company makes actuators, devices that fit on to the valves along pipelines, controlling the opening and closing of the valve.
- There's never been an actuator failure.