unmanned spacecraft

短语词组

短语

• unmanned d spacecraft 无人飞船
• an unmanned spacecraft 一个无人驾驶航天器;无人飞船;无人的飞船
• Unmanned spacecraft operational procedures 无人驾驶的飞行器操作程序
• unmanned spacecraft detail 无人航天器;无人宇宙飞船
• Unmanned spacecraft operability 不载人航天器的可操作性
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