The main work is the daily maintenance and service of the engine, as well as the replacement and adjustment of the engine, and the maintenance and replacement of the landing gear during the period.
The main work is the daily maintenance and service of the engine, as well as the replacement and adjustment of the engine, and the maintenance and replacement of the landing gear during the period
The main work is the daily maintenance and service of the engine, as well as the replacement and adjustment of the engine, and the maintenance and replacement of the landing gear during this period.