名词
中文翻译：初级冶炼
同义词：
['primary reduction', 'primary reduction process']
例句：
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1. The primarysmelting plant is located in the heart of the city.
初级冶炼厂位于市中心。
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2. The primary smelting process involves heating the ore to a high temperature.
初级冶炼过程涉及将矿石加热到高温。
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3. The primary smelting process is crucial for the production of steel.
初级冶炼过程对于钢铁生产至关重要。