单项选择题
高速铁路轨端或轨顶面剥离掉块长度超过()且深度超过()为重伤。
A.15mm,0.3mm
B.15mm,0.5mm
C.25mm,0.3mm
D.25mm,0.5mm
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单项选择题
A.15mm,0.3mm
B.15mm,0.5mm
C.25mm,0.3mm
D.25mm,0.5mm
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