Gradually, as cantilever monoplanes proved their efficiency, less economical designs were discarded, and aircraft took on a more stereotyped look.
随着悬臂单翼机的效率被证实,不经济的设计逐渐被淘汰,飞机呈现出一种陈规的外型。
The result showed that the new leather drum had the advantages of high production efficiency, less energy consumption, and wide usage and so on.
结果表明,这种新型的转鼓具有生产效率高,能源消耗少,使用范围广等优点。
Priority shock filling acid fog clean tower without pump have high cleaning efficiency, less maintenance and steady characters, and is easily to manage.
优选无泵形冲击式填料酸雾净化塔,净化效率高,维修量少,易于管理,性能稳定。