Raw graphite powder made from graphite ores and treated by various methods was sintered at high temperature to obtain higher pure graphite powder for synthesizing diamond.
对石墨矿石采用不同的处理方法得到了原料石墨粉，再经高温烧结获得了高纯度合成金刚石所需的石墨粉。
Raw graphite powder made from graphite ores and treated by various methods was sintered at high temperature to obtain higher pure graphite powder for synthesizing diamond.
对石墨矿石采用不同的处理方法得到了原料石墨粉，再经高温烧结获得了高纯度合成金刚石所需的石墨粉。
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