继电半自动闭塞
- 网络all-relay semiautomatic block; all-relay semi-automatic block system
继电半自动闭塞继电半自动闭塞
all-relay semiautomatic block
Railwaysignal English 铁道信号专业英语 ... ... all-relay semiautomatic block 继电半自动闭塞 approach indication 接近表示 ...
all-relay semi-automatic block system
铁路词汇7 -... ... 半自动闭塞 semi-automatic block system 继电半自动闭塞 all-relay semi-automatic block system ...
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