nonaircraft

例句：

1. 1. The drones are used for surveillance and nonaircraft inspections.
   这些无人机用于监视和无航空器检查。
2. 2.The research team is conducting tests on a new type of nonaircraft.
   研究小组正在对一种新型的非航空器进行测试。
3. 3. The company has developed a nonaircraft that can fly at high altitudes without refueling.
   该公司开发了一种可以在高海拔飞行而不加油的非航空器。