| how many percentage does an |
| 送交者: horse625 2010月02月09日14:17:20 于 [世界军事论坛] 发送悄悄话 |
| 回 答: 听说波音飞机的50%parts are made in ch 由 yudi 于 2010-02-09 13:07:41 |
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engine account for a plane?
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