... 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 current status at home and abroad of the application of linear polarization technique to the research of metal corrosion in soil, the existing problems and its prospect are described.
介绍了线性极化技术在土壤腐蚀研究中的国内外状况、存在问题及其应用前景。
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