维护费用及重量
Maintenance costs and weight
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
These were combined to simplify the airplane and reduce its size, purchase price, maintenance costs and weight.
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