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弹性悬挂装置的类型：按作用分为缓冲装置（中央弹簧、轴箱弹簧）、减振装置（垂向、横向、纵向和抗蛇行减震器）和。
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Grant and Lee brought the Civil War to its virtual finish.
In Lee's mind, the notion that the old aristocratic concept might somehow survive and be dominant in American life.
Grant believed that it was somehow of advantage to human soceity to have an evident inequality in the social structure.
Grant was the son of a farmer on the Western frontier.
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