A large pass enger aircraft will land on the airfield.

一架大型民航班机将降落在这个飞机场。

She was so enger to send the letter at once that she called Liddy to post it.

她急于马上把信发出，于是叫来利蒂，让她去寄。

Early in 1971, we installed an experimental single circular-arc-profile gear in a 2400Hp pass- enger-cargo ship instead of an involute gear for the first time.

1971年起，我们首先在2400马力客货轮中采用单圆弧齿轮（不必磨齿）代替渐开线齿轮，使用到现在情况良好。