它们能够执行这些使命，是因为它们在绝对制空权之下开展行动。

They are able to perform these missions because they operate in uncontested airspace. U.

youdao

它们能够执行这些使命，是因为它们在绝对制空权之下开展行动。

They are able to perform these missions because they operate in uncontested airspace. U.

youdao