名词短语
中文翻译：工作硬化
同义词：
['working hard', 'hardening work例句：1. The steel is being worked hardening in the forge.（钢正在锻造中被加工硬化。）']
例句：
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1. The steel is being worked hardening in the forge.
钢正在锻造中被加工硬化。
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2. The metal was hardened by heat and pressure.
金属通过加热和压力被硬化。
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3. The process of working hardening is essential for the material's strength.
工作硬化过程对于材料强度至关重要。