【填空题】
137.自动闭塞区间通过信号机显示停车信号(包括显示不明或灯光熄灭时，列车必须在该信号机前( )。
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答案
停车
解析
暂无解析
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【填空题】
145.线路所防护分歧道岔的通过色灯信号机开放经道分侧向位置的进路时显示一个黄色闪光和一个黄色灯光表示分歧道岔为___号及以上， 开往半自动闭塞或自动站问闭塞区间，或开往自动闭塞区问且列车运行前方次一闭塞分区空闲。
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