CRH380A(L)当车轮直径≤840mm,轮对踏面硌伤限度值是:长度≤( )mm,深度≤( )mm

CRH380A(L)当车轮直径≤840mm,轮对踏面硌伤限度值是:长度≤( )mm,深度≤( )mm

A.30,1

B.30,0.5

C.25,0.25

D.25,0.5

正确答案是C