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依据ZPW-2000型自动闭塞设备在哈局实际运用中的问题,提出现有情况下编码电路隐含的危及行车安全严重缺陷,并从电路时序设计角度提出改进优化方案。
According to the problem of practical application of ZPW-2000 automatic blocking equipment in Ha bureau, the author puts forward the imprecise and serious imperfection of driving safety which is implicated in the existing coding circuit, and proposes an improved and optimized scheme from the perspective of circuit timing design.