活性阴极涂层
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activated cathode coatings
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Through two year's running, it is proved that the first two activated cathode coatings have similar activities and their stabilities are better than the third one's.
两年运转证明，前两种活性阴极涂层与后者活性相似，而稳定性优于后者。
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