名词中文翻译1
中文翻译：Unknown
同义词：
['hardening process', 'hardening up']
例句：
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1. The metal is undergoing a hardening process at high temperatures.
金属在高温下正在经历硬化过程。
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2. The steel plate has hardened up due to the cold weather.
由于寒冷的天气，钢板已经变硬了。
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3. During the hardening process, the material's structure changes from a liquid to a solid state.
在硬化过程中，材料的结构从液态变为固态。