CRH380AL型动车组受电弓最大上升时间及下降时间( )
2024-01-14动车组机械师岗前培训A型题库
CRH380AL型动车组受电弓最大上升时间及下降时间( )
A.8s;8s
B.8s;10s
C.10s;8s
D.10s;10s
正确答案是D

CRH380AL型动车组受电弓最大上升时间及下降时间( )
A.8s;8s
B.8s;10s
C.10s;8s
D.10s;10s
正确答案是D