Pantograph
01
缩放仪, 比例缩放复制装置
mechanical device used to copy a figure or plan on a different scale
02
受电弓, 集电弓
a component of an electric train that connects it to overhead wires for drawing power
例子
The pantograph on an electric train extends upwards to make contact with the overhead wires, ensuring continuous power supply.
电力列车上的受电弓向上延伸以与架空电线接触，确保持续供电。
Engineers design pantographs to withstand varying speeds and weather conditions, maintaining reliable electrical connections.
工程师设计受电弓以承受不同的速度和天气条件，保持可靠的电气连接。
