“semi-automatic block”的概念、定义、翻译、参考文献-科学参考

单词	semi-automatic block
释义	semi-automatic block Encyclopedia 工学铁路区间闭塞释 semi-automatic block半自动闭塞人工确认相邻两铁路车站间区间线路空闲、办理和解除闭塞，自动开放、关闭出发信号机的闭塞方式。
随便看	task start task-state functional MRI task supervisor task sustainability of aircraft materiel task swapping task switching task-technology fit model task termination task variable Taslim Olawale Elias Tasmania Island Tasmanians Tasmanian Wilderness Tasmania, State of Tasman Sea tasseled cap transformation，Kauth-Thomas Transformation Tassili n'Ajjer Tassili-n-Ajjer Tassili n'Ajjer National Park T association T-association tastcilien taste taste area taste-aversion learning

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