These were combined to simplify the airplane and reduce its size, purchase price, maintenance costs and weight.

这些被结合起来以简化飞机和减小尺寸，采购价，维护费用及重量。

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These were combined to simplify the airplane and reduce its size, purchase price, maintenance costs and weight.

这些被结合起来以简化飞机和减小尺寸，采购价，维护费用及重量。

youdao