题目内容
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[单选题]
接触线坡度(工作支)的警示值为()。
A.同标准状态
B.160km/h区段2‰;120kmh区段4‰
C.160km/h区段3.3‰0;120km/h区段4‰
D.160km/h区段4‰;120km/h区段5‰
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A.同标准状态
B.160km/h区段2‰;120kmh区段4‰
C.160km/h区段3.3‰0;120km/h区段4‰
D.160km/h区段4‰;120km/h区段5‰
A.同警示值
B.160km/h区段2‰;120km/h区段4‰
C.160km/h区段3.3‰;120km/h区段4‰
D.160km/h区段4‰;120km/h区段5‰
A.15%、20%
B.11%、15%
C.17%、23%
D.14%、19%
A.350mm
B.400mm
C.450mm