The D-series’s twin tails are, in total, 70% lighter than a 737’s single one.

D系列的双垂尾总量和比737的单垂尾轻70%。

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D isometric view for total immersion into the ring.

三维等距的看法总沉浸到环。

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D isometric view for total immersion into the ring.

三维等距的看法总沉浸到环。

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