alternating current automatic block
alternating current arc welding 交流弧焊 alternating current automatic block 交流自动闭塞 alternating current balancer 交流平衡器 ..
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交流计数电码自动闭塞 automatic block with ac counting code track circuit
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本文通过对微电子交流计数自动闭塞设备故障发生率较高的问题进行了分析，提出对问题的解决方案。
The paper makes an analysis on the problem of high failure rate with micro-electronic A. C. counting automatic block equipment and suggests the solution.
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