“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	Hebei Manshan Shengji Ziran Baohuqu Hebei Maojingba Guojiaji Ziran Baohuqu Hebei Motianling Shengji Ziran Baohuqu Hebei Museum Hebei Nandagang Shidiheniaolei Shengji Ziran Baohuqu Hebei Nansizhang Shengji Ziran Baohuqu Hebei Nihewan Guojiaji Ziran Baohuqu Hebei People's Radio Hebei provincial archives Hebei Provincial Library Hebei Publishing & Media Group Co., Ltd. Hebei Qianheshan Shengji Ziran Baohuqu Hebei Qinglong Dushan Shengji Ziran Baohuqu Hebei Qingyazhai Guojiaji Ziran Baohuqu Hebei Qu Hebei-Rehe-Liaoning Pictorial Hebei Road Hebei Saihanba Guojiaji Ziran Baohuqu Hebei Sanfengshan Shengji Ziran Baohuqu Hebei Science and Technology Museum Hebei-Shandong-Henan Border Area Revolutionary Memorial Hall Hebei Sheng Hebei Shooting Range Hebei Sport University Hebei Tuoliang Guojiaji Ziran Baohuqu

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