翻译一下铁路术语：

Crossover (cross-type transition line, character-based crossover)
Pantograph
Locomotive power
Technology park
Temporary parking
Question to avoid
Commuter cars
Amitostigma awning
Sleeper plate
(Passenger car) car floor
(A station into the road) signal
Pointsman
Operation of the bus captains
Vehicle excess
Train overcrowding
Emergency brake
Mitigation valve
Spring emergency plan

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