a handle or pedal that requires constant pressure to allow operation, e.g. of a train, and automatically applies the brakes if or tram. If pressure is released, the brakes are automatically applied
| 单词 | dead man's handle |
| 释义 | dead man's handle or dead man's pedalnouna handle or pedal that requires constant pressure to allow operation, e.g. of a train, and automatically applies the brakes if or tram. If pressure is released, the brakes are automatically applied |
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