... 三角翼飞机 delta wing aircraft 三轮着陆 three-wheel landing 三维再入（大气层）轨迹 three-dimensional reentry trajectory ...
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我一直是个熟练的机械工人，经过几次弄弯了机翼之后，我终于制造了一个超轻型飞行器，上面有可操纵的三轮着陆装置。
HAD always been a skilled mechanic, and after several bent wings, I built my own ultralight with steerable tricycle landing gear.
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