Dead man's handle
01
死人开关, 安全装置
a safety device on machinery that stops it from operating if the operator becomes incapacitated or loses control
例子
The train had a dead man's handle, which automatically applied the brakes when the driver let go of the controls.
火车有一个死人手柄，当司机松开控制装置时，它会自动施加刹车。
Operating the lawn mower with a dead man's handle ensures that the blades stop spinning if the operator falls.
使用安全手柄操作割草机可确保如果操作员跌倒，刀片会停止旋转。
