【計】 deferred maintenance

延期的英語翻譯：

defer; put off; adjourn; reserve
【化】 postpone
【經】 defer; deferment; deferral; delay; extension; extension of meturity
holding over; postonement; put on respite; respite

維修的英語翻譯：

maintenance; service
【化】 maintain; maintenance (repairs); service (action); servicing
【經】 maintenance repairs; repair; repairs