A new study says that within three years jumbo jet-makers could be testing a new type of wing that reduces midair drag and cuts fuel costs by an estimated 20 percent.
一项新的研究预计，在未来3年内大型喷气客机的制造商们将能测试一种新型机翼，这种机翼能降低飞行阻力并削减20%的燃油消耗。
A new study says that within three years jumbo jet-makers could be testing a new type of wing that reduces midair drag and cuts fuel costs by an estimated 20 percent.
一项新的研究预计，在未来3年内大型喷气客机的制造商们将能测试一种新型机翼，这种机翼能降低飞行阻力并削减20%的燃油消耗。
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