“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	adverse reaction of Chinese medicinals adverse selection adverse selection of medical insurance adversity makes better writing advertise design advertisement dubbing advertisement marketing advertisement putting advertisement recruiting advertisement standards advertiser Advertising agency advertising agency advertising agency system advertising agent system advertising auction advertising cognition advertising copy advertising creativity advertising disturbance degree advertising effectiveness advertising for the Performing Arts advertising industry advertising investment advertising language

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