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。
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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