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安全电梯里有个方向盘,可以手动控制电梯的升降。当电梯遇到故障或停电时,我们就可以自己控制电梯的运行,从而安全脱离险境。
Safety elevator has a steering wheel, you can manually control the lift. When the elevator encounters a breakdown or a power outage, we can control the operation of the elevator ourselves and safely out of the woods.