A grooved metallic pulley which travels along, and receives current from, an overhead electric wire, the current being then conveyed by a trolley-pole…
| 单词 | θ77332 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > conductor used in transport > [noun] > conductor of current from wires (5) trolley1891 A grooved metallic pulley which travels along, and receives current from, an overhead electric wire, the current being then conveyed by a trolley-pole… trolley-wheel1891 = sense 3. bow trolley1901 a device for collecting the current from an overhead wire in electric traction. pantograph1907 A jointed, self-adjusting framework on the top of an electric vehicle for conveying the current from overhead wires. bow1909 A curved piece of metal used to make contact with an overhead wire in electric traction; = bow trolley n. at compounds 3. Also attributive. |
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