“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	collectively compact sequence collectively compact set collectively normal space collective memory collective mode collective model collective motion collective negotiation collective noun phrases collective of automata collective opera rehearsal without instrumental accompaniment collective operation collective oscillation collective oscillation, mass oscillation collective-owned land collective ownership collective ownership industry collective ownership of rural land collective pinning collective pinning model collective plasma collective procurement collective reading collective responsibility collective risk model

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