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随着环境问题备受关注,航空环保逐渐成为业内热议的话题以及制造商们努力的方向。几年前,欧洲航空界曾经设计了一个目标,即
With the environmental issues of concern, aviation environmental protection has gradually become a hot topic in the industry and manufacturers are working hard. A few years ago, the European aviation community had designed a goal, namely