actuatorKK [ˋæktjuˏetɚ] /ˈæktjuˌeɪtɚ/名詞1致動器、驅動器、傳動裝置The actuator opens and closes the valve automatically.這個致動器會自動開啟和關閉閥門。2制動器、作動器機械A faulty actuator can keep the car door from locking.作動器故障可能導致車門無法上鎖。