gate turn-off switch 门电路切断开关 ; 可关断可控硅开关
silicon gate turn-off switch 可关断可控硅开关
turn off switch 关断开关
turn off the switch 关掉开关 ; 关闭开关 ; 关开关
switch turn-off 用开关断开
Which switch do I press to turn it off?
我按哪个开关就能把它关了?
You don't need a light switch or a light bulb or an iPhone app to turn something on or off.
你不需要电灯开关、灯泡或苹果手机应用程序来打开或关闭某些东西。
Turn the light off as you go out.; Please switch off the lights when you leave.
出门时请随手关灯。
Of course, to turn the on-off switch on is harder when somebody's in a coma.
当然要开启这个开关难度更大,当人陷入昏迷。
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