以下为句子列表：
英文: Characteristics and Description： Nice color, fine granularity, low impurity, not easily been oxidized. Mainly used in powder metallurgy mechanical parts, electric contact alloy, diamond razor blade and saw.
中文: 特点与用途：颜色好，粒度细，杂质含量低，不易氧化，主要用于粉末冶金机械零件，电触头合金、金刚石刀片、锯片等。
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