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【单选题】
在站间线路施工时,由施工负责人(或由其指定专人)在(    )设置红闪灯防护
A.
靠近作业区域一侧的端墙处站台上
B.
车站两端端墙外轨道中央的道床上
C.
作业区域外的两端轨道中央的道床上
D.
两端轨道中央的道床上
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B.
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