名词
中文翻译：高纯度石墨
同义词：
['high-purity carbon', 'high-grade graphite']
例句：
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1.The graphite is used in the production of pencils and pens.
这种石墨用于生产铅笔和钢笔。
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2. High-purity graphite is essential for the manufacturing of electrical equipment.
高纯度石墨对于制造电气设备至关重要。
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3. The graphite is extracted from natural sources and then processed to achieve high purity.
这种石墨是从自然来源提取的，然后经过加工以达到高纯度。