A switch automatically activated at a preset time.
定时开关
Example sentencesExamples
The photoperiod was controlled by a manually operated black-out facility in the poly-tunnel, and by automatic time switches in the cabinets.
As well as targeting known criminals in the area, police are providing discounted safety locks, personal attack alarms, time switches and low-energy bulbs.
Later, they gathered at a farm, where he saw someone making time switches for bombs, using alarm clocks mounted on pieces of wood.
The Pakistani government said during the raid in which the six were caught, authorities found 330 pounds of high explosives, detonators, transmitters, time switches, arms and ammunition.