6502电气集中正常排列进路时,( D )吸起,ZCJ励磁并自闭。[322020201]
2024-01-14铁路信号中级工题库
6502电气集中正常排列进路时,( D )吸起,ZCJ励磁并自闭。[322020201]
A.(A)QJJ
B.(B)GJJ
C.(C)XJJ
D.(D)SJ
正确答案是D

6502电气集中正常排列进路时,( D )吸起,ZCJ励磁并自闭。[322020201]
A.(A)QJJ
B.(B)GJJ
C.(C)XJJ
D.(D)SJ
正确答案是D