放电时铝阳极表面活化溶解，生成的点蚀坑迅速在表面扩展并联成一片。
When discharging, the surface of aluminum anode was activated and dissolved. The so-formed pits expanded rapidly and joined together.
放电时铝阳极表面活化溶解，生成的点蚀坑迅速在表面扩展并联成一片。
When discharging, the surface of aluminum anode was activated and dissolved. The so-formed pits expanded rapidly and joined together.
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