Các câu ví dụ cho từ maintenance

1. 3 billion with Safran-CFM and GE Capital Aviation Services France to lease and purchase aircraft, engines and provide maintenance services.

2. The statement said Safran-CFM will supply 321 engines to Vietjet and provide maintenance, engineering, training, research and management services to the Vietnamese airline.

3. The package would include training, planning, fielding, deployment, operation, maintenance and sustainment of the Patriot Air Defense System and associated equipment, the Pentagon said, in a notification to Congress.