动词短语中文翻译
中文翻译：硬化
同义词：
['harden', 'quench']
例句：
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1.The steel was hardened by the heat treatment process.
钢材通过热处理过程硬化了。
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2. The car's engine was quenched to cool down quickly.
汽车的发动机被淬火以快速冷却。
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3.The metal was hardened and then quenched to increase its strength.
金属经过硬化和淬火以提高其强度。