A dead man's handle is a safety feature on trains that ensures the train stops if the driver becomes unable to control the train or loses awareness. It is a lever or button that the driver must continuously hold or press while operating the train. If the driver lets go or fails to press it, the train will automatically apply the brakes and stop. This system helps prevent accidents caused by a driver becoming unresponsive or distracted. It is commonly found on older trains or in certain safety-critical situations.

“dead man's handle”的英语定义和含义

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