Uniting with the structure and th e working princ iple of a certain type stern-axis seal device, the fault phenomen on and the lapse mech anism are analy zed, the pertinen ce dispose coun termeasures an d the ameliorati on suggestions a re put forwarde d.%结合某型艉轴密封装置结构和工作原理,对其故障现象和失效机理进行了分析,提出了有针对性的处理对策和改进建议。
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