【摘要】 通过对阀门失效的分析,说明了阀门磨损的必然性,同时指出,对阀门密封面进行喷焊修夏处理是一种经济、及时而有效的方法。更多还原

【Abstract】 Through the analysis of the failure valve, the inevitability of its wear-out was explained, and the spray-welding treatment on the sealing surface of valve to restore it is an economic, timely and effective methor.更多还原