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jing yan 4 ze
Author(s): 
Pages: 40
Year: Issue:  5
Journal: Farm Machinery

Abstract: <正> (1)在柴油机曲轴、喷油泵凸轮轴等旋转零件的两端,大都装有带自紧弹簧的骨架式橡胶油封。柴油机经过一段时间的使用后,油封会因橡胶老化变质、唇口开裂或自紧弹簧失效等起不到密封作用。因此,当上
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