deactivates例句
Pulling out the alarm switch activates alarm and pushing it
deactivates it.
闹钟的开和关是通过拔出和按入闹铃开关实现的.
The HOLD switch
deactivates the buttons on the cassette holder.
HOLD开关可使卡带架上的钮键失效.
Actuates an alarm when flow is inadequate,
deactivates alarm when sufficient flow is restored.
当流量不充分时, 启动警报器,当流量恢复充足流量时,则关闭警报器.