195.道口信号设备电源有何规定？
["\u7b54: \u9053\u53e3\u8bbe\u5907\u91c7\u7528\u53ef\u9760\u7684\u4f9b\u7535\u7535\u6e90\u3002\u4ea4\u6d41\u7535\u6e90\u5e94\u8bbe\u7f6e\u4e00\u4e3b\u4e00\u526f\uff0c\u5728\u81ea\u52a8\u95ed\u585e\u533a\u6bb5\u4e3b\u3001\u526f\u7535\u6e90\u5e94\u91c7\u7528 \u81ea\u52a8\u95ed\u585e\u7535\u6e90\u548c\u533a\u95f4\u7535\u529b\u8d2f\u901a\u7535\u6e90\uff0c\u5728\u975e\u81ea\u52a8\u95ed\u585e\u533a\u6bb5\u4e3b\u7535\u6e90\u5e94\u91c7\u7528\u4e0d\u4f4e\u4e8e\u4e8c\u7ea7\u8d1f\u8377\u7684\u7535\u6e90\uff0c\u5f53\u4f9b\u7535\u7535\u6e90\u505c\u7535 \u65f6\uff0c\u5e94\u80fd\u53ca\u65f6\u53d1\u51fa\u6545\u969c\u62a5\u8b66\u97f3\u54cd\u3002"]