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。
Air defense, with ordinary light or high barriers to automatic flash the high life with aviation obstruction light device.
防空,装有普通障碍灯或高级的全自动带闪光的高寿命的航空障碍灯装置。
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。
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