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单词
track-return power system
释义
track-return power system
track-return power system
[
′trak ri¦tərn ′pau̇·ər ‚sis·təm
]
(electricity)
A system for distributing electric power to trains or other vehicles, in which the track rails are used as an uninsulated return conductor.
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更新时间:2025/12/1 13:43:35