航空业：正在研制的环保型喷气发动机，功率要大，排放要少。哪种设计方案领先？
Aviation: "Green" jet engines, able to power aircraft while producing fewer emissions, are under development. Which design will prevail?
法国特而途公司，自1986年起就开始设计和制造范围广泛的环保型木制系列产品。
The French company Tertu, has been designing and manufacturing since 1986, a large range of wooden environmentally friendly products.
本公司专业生产及设计各种环保型无纺布(不织布)制品，无纺布购物袋，无纺布礼品袋，无纺布围裙等！
The company specializes in producing and designing all kinds of environmentally-friendly non-woven (non woven) products, non-woven shopping bag, non-woven gift bag, non-woven aprons, etc.!
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