Deliveries of operational aircraft were to begin in 2010.

作战飞机将于2010年开始交付使用。

youdao

Deliveries of operational aircraft were meant to begin in 2010.

原计划在2010年开始交付作战飞机。

youdao

To date, only five aircraft of the anticipated 800-plus international sales have been contracted by partner countries - three operational test aircraft for the UK and two for the Netherlands.

迄今为止，预计800多架的国际销售订单中只有5架飞机由合作国家签订了合同——分别是荷兰的3架以及英国的2架用于操作测试。

youdao

Deliveries of operational aircraft were to begin in 2010.

ECONOMIST: The defence industry

If past practice is any guide, the application of such a "fly-before-buy" acquisition approach would leave the Marines without an operational aircraft until the year 2005, and delay complete replacement of the CH-46 until 2015.

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