名词
中文翻译：真空炉
同义词：
['vacuum chamber', 'vacuum stove']
例句：
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1.The vacuum furnace is used to remove impurities from the metal.
真空炉用于从金属中去除杂质。
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2. The vacuum furnace is essential for the production of high-quality steel.
真空炉对于生产高质量钢材至关重要。
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3. The vacuum furnace has a high efficiency and can produce high-quality steel in a short time.
真空炉效率高，可以在较短时间内生产出高质量的钢材。