另外，传热管原始内表面粗糙不平整、不清洁加速了腐蚀与成垢，原材料的非金属夹杂物存在也降低材料抗腐蚀的能力。

In addition, the roughness and uncleanness of the original surface of heat transfer tubes accelerated corrosion and scale. Non-metallic impurities of the tube material reduced corrosion-r...

youdao

另外，传热管原始内表面粗糙不平整、不清洁加速了腐蚀与成垢，原材料的非金属夹杂物存在也降低材料抗腐蚀的能力。

In addition, the roughness and uncleanness of the original surface of heat transfer tubes accelerated corrosion and scale. Non-metallic impurities of the tube material reduced corrosion-r...

youdao