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1. The closed-circuit pulverizing system is designed to improve the efficiency of the grinding process.
闭环回路粉碎系统旨在提高研磨过程的效率。
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2. In this experiment, we used a closed-circuit pulverizing technique to analyze the chemical reactions.
在这个实验中，我们使用了闭环回路粉碎技术来分析化学反应。
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3. The closed-circuit pulverizing technology has greatly improved the quality and consistency of the final product.
闭环回路粉碎技术大大提高了最终产品的质量和一致性。