This efficiency is due largely to the innovative design of the low-drag wing. This design includes leading-edge slats, double-slotted Fowler flaps, and high-Mach blended winglets.

如此卓著的效率应当归功于低阻机翼、前缘缝翼和双开缝襟翼，以及高马赫混合式翼梢小翼。

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Aviation Partners owns 55% of a joint venture with Boeing to market blended winglets to buyers of Boeing jets.

WSJ: Air War: 'Winglet' vs. 'Sharklet'