(especially of locomotives or other railway equipment) worn out or outdated.
〈英〉（尤指火车头或其他铁路设备）用旧的；过时的；达到使用年限的
life-expired signalling
达到使用年限的信号系统。
Example sentencesExamples
Extensive track renewals, involving the replacement of life-expired jointed track with new ballast and continuously welded rail, will also be carried out at a number of sites along the line.
Its £300,000 project involved a massive overhaul of the line, including replacing life-expired track and laying more than 500 sleepers.
Assuming that the powers that be are not prepared to sort out the bridge, then a simple solution would be to ask the Ministry of Defence to ship out via the next supply ship, an outdated or life-expired Bailey Bridge.
To begin with, the old bridge was life-expired and past saving (I have seen a summary of the engineer's report), so there were two options - either build a new bridge, or shut Newport Street completely.
We can only keep tarting them up so many times before they become life-expired and we need a new train.