“manual block”的概念、定义、翻译、参考文献-科学参考

单词	manual block
释义	manual block Encyclopedia 工学铁路区间闭塞释 manual block人工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，且在值班员与司机间人工交接行车凭证的闭塞方式。
随便看	entomopoxvirus entopan mono ENT operation instruments entoptic phenomenon entoptic scatter entosis entourage entrained flow bed combustion entrainer entrainment entrainment processes entrammel entrance entrance and exit of rail transit station entrance boundary entrance boundary point entrance channel entrance-exit entrance pump entrance pupil entrance pupil diameter entrance section lighting entrance window entransy entransy balance equation

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