【摘 要】
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1.世界上最早生产的汽车没有变速器,只能前进,不能后退,不便于驾驶.. 3.然后,他们邀请新闻记者前来观看汽车变速行驶表演。不巧的是偏偏这时发动机发生故障,怎么也起动不了。
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1.世界上最早生产的汽车没有变速器,只能前进,不能后退,不便于驾驶.. 3.然后,他们邀请新闻记者前来观看汽车变速行驶表演。不巧的是偏偏这时发动机发生故障,怎么也起动不了。 ,.两位工程师毫不气馁,一年后又请记者观看汽车变速行驶表演。只见汽车时快时慢,时进时退,事实证明,他
1. The earliest cars in the world have no transmission, they can only go forward, can not go back, and are not easy to drive .. 3. Then they invited journalists to watch the car speed change show. Unfortunately, it happens when the engine fails, how can not start. Two engineers without any discouragement, a year later, please reporters watching the car speed performance. I saw the car when fast and slow, when the time back, it turned out, he
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