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用法:1 instrument used to draw an exact copy of a plan, map, etc on any scale 缩放仪; 比例绘图仪.
用法:2 device for carrying an electric current from overhead wires to a train (电气列车顶上的)导电弓架.
英汉词典包含54938条英汉翻译词条,涵盖了常用英语单词及词组短语的翻译及用法,是英语学习的必备工具。