| 姓名:Raphael |  | 5.188.211.** | | 時間:2020/6/30 下午 09:49:30 | | ☆☆☆☆☆ | | Recorded Delivery ***s://***.phantomconnections.space/phpBB3/viewtopic.php?f=3&t=751648&p=861362 blackass While composites have been used in aerospace for decades,the 787 is the first commercial jetliner built mainly fromcarbon-plastic materials, whose weight savings, combined withnew engines, are supposed to slash fuel costs 20 percent andoperating costs by 10 percent compared with traditional aluminumalloy.
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