“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	fine pressure Fine production fine pulverized coal separator fine pumping fine ramie fabric finer covering fine resolution finer partition finer topology finer uniform structure fine screen fine set fine sheaf fine silk tabby finespun theory finesse finesse(法文) fine steering mirror finestill fine structure fine structure constant fine-structure constant fine structure of spectral line fine structure theory finest topological structure

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