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介绍了厚壁钢管在3LPE/FBE外防腐中出现的一些质量问题,对中频加热的原理进行了简介,并对厚壁钢管外防腐的关键技术进行了讨论。
Some quality problems appearing in the 3LPE / FBE anti-corrosion of the thick-walled steel pipe are introduced. The principle of medium-frequency heating is introduced briefly. The key technologies of anti-corrosion of the thick-walled steel pipe are also discussed.