为确保牺牲阳极阴极保护系统长期有效地工作，应当定期检测与维护。
To ensure the anodic corrosion cathodic protection system working effectively over a long period of time, regular detection and maintenance of the system should be made.
结合硝基苯电解还原制对氨基苯酚这一过程，在实验室小试及工厂中试的基础上，讨论了该类阳极加工、维护及操作等问题。
On the basis of laboratory scale work and pilot experiment for electrochemical reduction of NB to PAP, the shape, maintenance and operation of such anode are discussed.
分析了阳极管的选材、构造、性能及其维护保养技术，阐述了常见典型问题的解决措施。
The material selection, structure, performance and maintenance of anode tube were discussed and the solving measures of typical problems were expounded.
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