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gu zhang shi li 1 ze
Author(s): 
Pages: 69
Year: Issue:  11
Journal: Farm Machinery

Abstract: <正> 一台30t的压力机在某陶瓷厂的压模车间使用。该压力机由于长期处在沙尘飞扬的环境内工作,液压系统中混进了许多沙尘,从而造成柱塞油泵早期磨损。修理人员更换了新泵,又将系统中油液全部更换后,系统工作一切正常。但是第二天,操作员启动液压系统时
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