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[判断题]
在站内线路上施工时使用移动停车信号防护办法:在进站道岔外方线路上施工,对区间方向,以关闭的进站信号机防护。()
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A.移动停车信号牌
B.设响墩防护
C.派专人防护
D.关闭的进站信号机
A.400m;
B.1500m;
C.1500-2000m;
D.500-1000m。
A.80km/h<υ≤120km/h
B.100km/h<υ≤160km/h
C.120km/h<υ≤200km/h
D.100km/h<υ≤140km/h