all-relay interlocking 继电式电气集中联锁 ; 全部继电连锁 ; 全部继电联锁

modular type relay interlocking 组匣式电气集中联锁

relay interlocking for large station 大站电气集中联锁

unit-block type relay interlocking 组合式电气集中联锁

relay interlocking machine 继动联锁机 ; 继电联锁机

relay interlocking frame 继电联锁机

route relay interlocking circuit 进路继电联锁电路

relay interlocking signal box 继电联锁信号楼

relay interlocking tower 继电联锁信号楼