名词
中文翻译：预生产飞机
同义词：
['预生产飞机、预生产飞行器、预生产航空器']
例句：
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1.The preproduction aircraft was designed to test the technology before it was fully developed.
预生产飞机的设计是为了在完全开发之前测试这项技术。
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2.The company's new preproduction aircraft is expected to revolutionize the industry.
该公司的新型预生产飞机预计将彻底改变该行业。
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3. The pilot had to make an emergency landing on a preproduction aircraft due to engine failure.
由于引擎故障，飞行员不得不在一架预生产飞机上紧急着陆。