The modern airplane design works well, but from a fuel efficiency standpoint, could planes be designed more aerodynamically — to lower drag and increase lift?
现代的飞机设计做得很好，但立足于燃料效率来看，飞机是否能设计得更符合空气动力学——降低阻力还是增加动力？
The machine can lift quickly, has high production efficiency, good usage functions, simple structure, convenient to operate and repair, reliable safety protection instrument.
该机可采用快速提升，生产率高，使用性能良好，结构简单，易于操作维修，安全保护装置齐全可靠等特点。
Promote the fair competition among insured institutions, enhance operational efficiency, lift the competitiveness of insured institutions.
促进受保机构间公平竞争，提高经营效率，提升受保金融机构的市场竞争力。
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