automatic block with axle-counters
automatic block with AC counting code track circuit 交流计数自动闭塞 automatic block with axle-counters 计轴自动闭塞 automatic block with frequency-shift track circuit 移频自动闭塞 ..
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automatic block with axle-counters
带有轴计数器的自动挡块
以上为机器翻译结果，长、整句建议使用 人工翻译 。