名词
中文翻译：真空冶炼炉
同义词：
['vacuum furnace', 'vacuum smelting furnace']
例句：
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1.The vacuum firing furnace is used for the production of high-quality steel.
真空冶炼炉用于生产高质量的钢材。
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2. The vacuum firing furnace is an essential tool in the metallurgical industry.
真空冶炼炉是冶金工业中不可或缺的工具。
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3. The vacuum firing furnace has greatly improved the efficiency of the metallurgical process.
真空冶炼炉大大提高了冶金过程的效率。