“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	horizontal resonance horizontal scanning method horizontal scraper discharge settle centrifuge horizontal section of orebody horizontal shifting mechanical parking system horizontal soft-bearing balancing machine horizontal solar telescope horizontal space horizontal spectrograph horizontal strip horizontal structure of community horizontal subbundle horizontal subspace horizontal subsurface flow constructed wetlands horizontal sundial horizontal suspension flow horizontal symmetry horizontal tail horizontal tank horizontal telescope horizontal tensile testing machine horizontal thread horizontal trace horizontal trace line horizontal trajectory

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