半自动闭塞
- 网络semi-automatic block; semi-automatic block system
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半自动闭塞
semi-automatic block
第二批:... ... 105 区间闭塞 section block;section blocked 106 半自动闭塞 semi-automatic block;semi-automatic block system ...
semi-automatic block system
铁路词汇7 - drj08的日志 - 网易博客 ... 电气路牌闭塞 electric tablet block system 半自动闭塞 semi-automatic block system ...
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