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随着ZPW-2000A自动闭塞设备在全路范围内的广泛使用,四线制方向电路成为ZPW-2000A自动闭塞系统必备的配置。但在浙赣线东乡车站ZPW-2000A设备调试过程中,发现该电路由于设计的原因,存在一定的缺陷。在四线制方向电路里,区分列车运行方向用QZJ和QFJ,区间所有区段的QZJ和QFJ共用F
With the widespread use of ZPW-2000A automatic blockers throughout the road, four-wire directional circuits become an integral part of the ZPW-2000A automatic block system. However, during the commissioning of ZPW-2000A equipment in Zhexiang-Jiangxi line, it was found that the circuit had certain defects due to design reasons. In the four-wire direction of the circuit, the distinction between the train running direction with QZJ and QFJ, all sections of the interval QZJ and QFJ share F