“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	culture of Tegillarca granosa culture of textbook culture of the oyster Crassostrea hongkongensis culture of tilapia culture of Trachinotusovatus culture of Undaria Pinnatifida Suringar culture of yellow drum ,culture of Nibea albiflora culture of yulan Culture Olympics Culture Pedagogy Culture Philosophy culture-related disorders culture relativism Culture Revolution of Poem and Prose of Northern Song Dynasty, the Movement of Culture SAO Culture School culture system culture types culturing facilities culturology culturomics Culu Dao culvert culvert or sluice water measurements Culverts in ancient China

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