在管道附近埋设检查片是研究管道腐蚀的一项重要手段，它可以定量分析管道阴极保护效果。
Burying coupons near the pipeline is an important method for studying pipeline corrosion and doing quantitative analysis about the effect on pipeline cathodic protection.
在管道附近埋设检查片是研究管道腐蚀的一项重要手段，它可以定量分析管道阴极保护效果。
Burying coupons near the pipeline is an important method for studying pipeline corrosion and doing quantitative analysis about the effect on pipeline cathodic protection.
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