A.1DCJ B.DCJ C.FCJ D.JXJ
A.KJ檢查了遠(yuǎn)方次一架的FKJ落下條件 B.KJ檢查了本信號(hào)點(diǎn)的JXJ落下條件 C.KJ檢查了本信號(hào)點(diǎn)的FKJ吸起條件 D.KJ檢查了本信號(hào)點(diǎn)的JXJ吸起條件