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发动机可以通过定期维修恢复其可靠性,不像飞机机体那样存在明显的老龄特性。但老旧发动机的工程和维护管理与新发动机有一定的区别和不同的侧重。
The engine can be restored to its reliability through regular maintenance, unlike the aircraft’s body that has obvious aging characteristics. But the old engine engineering and maintenance management and new engines have some differences and different emphasis.