Large valves and important cathodic protection method using this valve is an economical and easy and effective way.
大型的阀门和重要阀门采用这种阴极保护法，是一种经济简便又行之有效的方法。
A cathodic protection method was conducted for underground storage tanks in a sand medium by using external coatings and sacrifice anode.
对沙介质中的储罐采用外涂层加牺牲阳极的阴极保护措施。
It is introduced that the construction method, status and development of cathodic protection and cathodic prevention for concrete.
主要介绍钢筋混凝土阴极保护和阴极防护技术的实施方法、状况与进展。
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