... existent 存在的事物；生存者；存在的；目前的 existing corrosion 现存腐蚀 existing perforation 老炮眼 ...
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This paper deals with the corrosion problems existing in the condensers of the coastal power plants. The protection measures have been discussed.
分析了海滨电厂凝汽器中存在的腐蚀问题，并对其防护措施进行了讨论。
The existing methods of corrosion residual life prediction were analyzed and compared, then were classified.
对现有的一些腐蚀剩余寿命预测方法进行分析比较，并进行了分类总结。
The existing methods of zinc plating blackening by black passivating, coloring, dyeing, etc. are studied, and the high resistance to corrosion of the passivator is highlighted.
综述了镀锌层黑钝化、着色、染色等黑化处理的方法，重点研究了高抗蚀的黑钝化处理。
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