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单词
block system
释义
block system
n.
(名词)
A system for controlling and safeguarding the flow of railway trains in which track is divided into blocks, each controlled by automatic signals.
闭塞系统:用于控制和保障火车安全行驶的系统,它每一路段的轨道上都由自动信号控制
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更新时间:2025/6/5 9:25:31