“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	Wild Flowers of China wild fruit tree Wild Geese and Reeds Wild Geese Descending on the Sandbank wild ginseng wild goose Wild Grass Wild Grass Soceity wild group wild knot wildlife allowed for commercial utilization wildlife domestication and breeding center wildlife management wildlife monitoring wildlife monitoring by line transect method wildlife monitoring by point sampling method wildlife monitoring by quadrat sampling method wildlife park wildlife picture index Wildlife Protection Law of the People's Republic of China wildlife rescue center wildlife synchronous survey wildlife tracing wildlife with extremely small population wildly embedded set

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