The two companies have also developed a quad tilt-rotor concept for a potential JFTL program.

两家公司还为潜在的JFTL方案制定了一个“四倾转旋翼”的概念。

youdao

The two companies have also developed a quad tilt-rotor concept for a potential JFTL program.

两家公司还为潜在的JFTL方案制定了一个“四倾转旋翼”的概念。

youdao