避免腐蚀。
The reason why corrosion was seen on the Alaska Pipeline; internal inspection should be strengthened to avoid corrosion pitting.
阐述了阿拉斯加管道腐蚀产生的原因，提出了为避免管道因腐蚀而穿孔，应加强管道内检测的措施；
Owners must be aware of the effects that this may have on their boats and fit the correct cathodic protection system to avoid corrosion.
船主必须了解他们的船舶可能发生的反应，并安装适当的阴极保护系统来避免腐蚀。
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