以下为句子列表：
英文: Lanthanum-tungsten electrode is the substitution product of thorium-tungsten electrode because of its freedom from radioactivity. Its other advantage is its endurance of high current and low burn spoilage rate.
中文: 镧钨电极因无放射性而成为较有发展前景的钍钨电极的替代产品。它的另一优点是耐用电流高而烧损率最小。
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