短語(yǔ)詞組短語(yǔ)unmanned d spacecraft 無(wú)人飛船an unmanned spacecraft 一個(gè)無(wú)人駕駛航天器;無(wú)人飛船;無(wú)人的飛船Unmanned spacecraft operational procedures 無(wú)人駕駛的飛行器操作程序unmanned spacecraft detail 無(wú)人航天器;無(wú)人宇宙飛船Unmanned spacecraft operability 不載人航天器的可操作性 返回 unmanned spacecraft