N . Half annual maintenance item and maintenance plan for conglutinating machine was failed to define as per requirements.
复合机的保养项目和保养计划没有按要求制定。
Only one deferred maintenance item was noted in the maintenance logs. This was for fuel leaking from the auxiliary power unit cowling.
只有一次维修记录，原因是燃料的辅助动力装置罩泄漏。
Calculating an item's value is based on analysis of the development costs, the maintenance costs, the estimated replacement costs, and the annual business value contributed by that item.
项目价值的计算基于开发成本、维护成本、估计替换成本和该项目带来的年度业务价值的分析。
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