The analysis of the corrosion form and environment confirms that the main cause of the corrosion is the poor welding quality and water permeation.
通过对腐蚀形貌和环境进行分析，确认罐顶焊接质量差和雨水渗入是造成腐蚀的主要原因。
The test adopts test piece as the same at oil field. The article analyzes the corrosion rate and the corrosion form of P110 casing steel in corrosion fluid in two temp situations.
试验采用与现场相同的腐蚀试件，具体分析了两种温度状态下P110套管钢在饱和盐水中的腐蚀速度和腐蚀形态。
Corrosion on Aluminum vessels is also generally in the form of localized pitting to the hull plate, rudders, bilge keels and particularly in way of weld seams.
铝制船舶上的腐蚀的通常形式是船体钢板、船舵、船底龙骨上的局部点状腐蚀，特别是在焊缝方面。
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