In addition to its maintenance requirements, Ariana also requires access to spare parts and consumables that are not available in Afghanistan, and some of them (including aircraft engines) are recommended to be transported by air.
28. 除了维修要求以外，阿丽亚娜还应获得在阿富汗境内无法得到的备件和消耗品，而且其中一些东西（包括飞机引擎）建议用空运。