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huo sai huan chai zhuang yi fa
Author(s): 
Pages: 28
Year: Issue:  12
Journal: Farm Machinery

Abstract: <正> 用两块长方形布条各自对叠起来,将对叠处套在活塞环开口两端,用两手手指分别捏住套在活塞环开口两端的两布条上,然后用力轻轻外拉,活塞环慢慢伸开,从而可方便地拆下或装上,能防止断环现象。
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