787是波音公司销量最好的一款客机，采用了音速巡航者机型的一些设计：它采用了同样的复合材料技术以减轻机身重量，从而减少耗油量。
It uses the same composite-material technology to reduce weight and hence fuel consumption.
您必须以专业化的方式打印和装订最终的竞标材料，再将其正式交付给客户(最好是亲自去)。
You should professionally print and bind the final bid package before officially delivering it to the client, preferably in person.
最后，我认为最好的办法是通过机床将商标削去，然后用另一块外壳的材料研磨修补。
I decided the best way was to cut out the logo on a milling machine. then mill a replacement piece out of another lid.
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