Based on different soil corrosion factors and pipe corrosion principle, obligated current negode protection and sacrifice anode protection can be used here.
根据不同的土壤腐蚀因素及管道腐蚀原理,可采用强制保护和牺牲阳的保护。
Based on different soil corrosion factors and pipe corrosion principle, obligated current negode protection and sacrifice anode protection can be used here.
根据不同的土壤腐蚀因素及管道腐蚀原理,可采用强制保护和牺牲阳的保护。
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