Last year the Federal Aviation Administration agreed to let it weigh more than other light sport aircraft.
去年,美国联邦航空管理局允许其重量超过其它轻型运动飞机。
Magnesium alloys are new structural light metal materials and used widely in the field of the aviation, spaceflight, automobile, electronic products and biomaterials.
镁合金是轻型结构金属材料,在航天、航空、汽车、电子工业、生物材料上有广阔的应用前景。
Channel section steel is a kind of economic cross section steel, the products are widely used in automobile, aviation, light industry, machinery manufacture and construction areas.
槽钢是一种经济断面型材,广泛应用于汽车、航空、轻工、机械制造以及建筑等各个行业。
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