名词
中文翻译：直接点火炉
同义词：
['直接燃烧炉例句：1. The direct firing furnace is used to produce high-quality steel.（直接点火炉用于生产高质量的钢材。）']
例句：
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1. The direct firing furnace is used to produce high-quality steel.
直接点火炉用于生产高质量的钢材。
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2.The direct firing furnace is a crucial component in the steelmaking process.
直接点火炉是钢铁生产过程中至关重要的组成部分。
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3. The direct firing furnace is an essential tool for metallurgists in their research and development work.
直接点火炉是冶金学家在研究和开发工作中必不可少的工具。