intermitter
/ˌɪntəˈmɪtə(r)/a device that turns something on and off at regular intervals
noun [专属名词] 间歇抽油装置；间歇调节器
The intermitter controlled the lights in the room, turning them on and off at set intervals. 这位间歇操作员负责控制房间内的灯光，按照设定的时间间隔开关灯。
