allrelay semiautomatic block system的意思|示意
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全继电器半自动挡块系统
allrelay semiautomatic block system的网络常见释义
继电半自动闭塞 2009-05-30 | 呵呵转载--铁路信号专业英语翻译3 ... 半自动闭塞 semi-automatic block;semi-automatic block system 继电半自动闭塞 all-relay semiautomatic block;all-relay semi-automatic block system 自动闭塞 automatic block;automatic block system ...