unmanned spacecraft
短语词组
- unmanned d spacecraft 無人飛船
- an unmanned spacecraft 一個無人駕駛航天器;無人飛船;無人的飛船
- Unmanned spacecraft operational procedures 無人駕駛的飛行器操作程序
- unmanned spacecraft detail 無人航天器;無人宇宙飛船
- Unmanned spacecraft operability 不載人航天器的可操作性 返回 unmanned spacecraft