这句话怎么翻译? expected reduction in maintenance cost with increase in the planned tasks and reduction of current corrective maintenance of more than 53% with corrective maintenance cost costlier by more than 50% of the planned tasks. 如果期望通过增加计划任务来降低维修费用同时将目前检修任务减少53%以上,那么它的成本会比计划任务高一半还多查看更多