这种灭火器的开关能自动开启。

The switch on this kind of fire extinguisher opens up automatically.

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“老式排线”她说道：“无线电会自动开启的。”

"Old wiring," she said. "The radio cuts on by itself, too."

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按此定义，通过遥控可自动开启车库大门的装置也称作机器人。

By this definition, a garage door opener, which automatically opens the door by remote control is also a robot.

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