·2,447,543篇论文数据，部分数据来源于NoteExpress
They were a major milestone in the air force's attempts to develop an alternative to JP-8 aviation fuel, of which it is the largest consumer in the world.
他们在空军尝试开发世界上消耗量最大的JP-8航空燃料的替代品方面，具有重要的里程碑式的意义。
youdao
应用推荐
模块上移
模块下移
不移动