98.6502电气集中列车接近,()落下,经其后接点向10线供KF,接通QJJ第二条自闭电路。[333020201]

98.6502电气集中列车接近,()落下,经其后接点向10线供KF,接通QJJ第二条自闭电路。[333020201]

A.(A)JYJ

B.(B)GJJ

C.(C)XJJ

D.(D)CJ

正确答案是A