The airline plans to add twelve new aircraft to its fleet by next spring.

該航空公司計劃在明年春天前為機隊增添十二架新飛機。

Our shipment was delayed because the cargo aircraft needed unexpected engine repairs.

我們的貨物延誤了，因為那架貨機的引擎需要臨時維修。

The engineering firm is hiring technicians with experience in aircraft maintenance and inspection.

這家工程公司正在招募具備航空器維修與檢查經驗的技術人員。