波音辩称其加油机比起竞争对手而言风险更小、成本更低，而空军的评估程序存在缺陷。

Boeing argues that its tanker is less risky and costly than its rival's and that the air force's evaluation process was flawed.

youdao

波音辩称其加油机比起竞争对手而言风险更小、成本更低，而空军的评估程序存在缺陷。

Boeing argues that its tanker is less risky and costly than its rival's and that the air force's evaluation process was flawed.

youdao