smelting

smelting

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1. Iron smelting requires high temperatures. (冶炼铁需要高温。)
2. The factory specializes in smelting copper. (该工厂专门从事铜的冶炼。)
3. During the smelting process, impurities are removed from the ore. (在冶炼过程中，会从矿石中去除杂质。)
4. Smelting is an important step in the production of steel. (冶炼是钢铁生产中的重要步骤。)
5. The smelting furnace reached a temperature of 2000 degrees Celsius. (冶炼炉达到了2000摄氏度的温度。)
6. Gold smelting requires the use of chemicals. (黄金冶炼需要使用化学药品。)
7. The smelting industry plays a crucial role in the local economy. (冶炼行业在当地经济中起着关键作用。)
8. Smelting plants release pollutants into the atmosphere. (冶炼厂释放污染物到大气中。)
9. Smelting is a complex process that requires skilled workers. (冶炼是一个需要熟练工人的复杂过程。)
10. The smelting of iron has a long history. (冶炼铁的历史悠久。)
11. The smelting operation has been temporarily shut down due to maintenance. (由于维修，冶炼操作暂时关闭。)
12. They use modern techniques for smelting metals. (他们使用现代技术进行金属冶炼。)
13. Efficient smelting methods have been developed to reduce energy consumption. (已经开发出高效的冶炼方法以减少能源消耗。)
14. Smelting is an essential process in the production of various alloys. (冶炼是生产各种合金的重要过程。)
15. The company invested in new smelting equipment to improve production efficiency. (该公司投资了新的冶炼设备以提高生产效率。)
16. They are studying the environmental impact of smelting operations. (他们正在研究冶炼操作的环境影响。)
17. Smelting requires a constant supply of raw materials. (冶炼需要持续的原材料供应。)
18. The smelting process involves the use of high heat. (冶炼过程涉及使用高热。)
19. Smelting is an important part of the metal industry. (冶炼是金属行业的重要组成部分。)
20. He works at a smelting plant. (他在一个冶炼厂工作。)
21. Smelting is often used to extract valuable metals from ores. (冶炼常用于从矿石中提取有价值的金属。)