As a freshman, he spent two nights building a model aircraft and took it to the sports field just for fun.
上大一时，他用两个晚上制作了一架飞机模型并带着它去操场玩。
Carbon fiber reinforced plastic (CFRP) is an important kind of composite materials to produce light aircraft or large model aircraft.
碳纤维增强树脂基复合材料是生产轻型飞机或大型航模的重要材料。
Carbon fiber reinforced plastic (CFRP) is an important kind of composite materials to produce light aircraft or large model aircraft.
碳纤维增强树脂基复合材料是生产轻型飞机或大型航模的重要材料。
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