名词中文翻译
中文翻译：硬化
同义词：
['hardening process', 'hardening agent', 'hardening treatment']
例句：
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1. The steel is undergoing a hardening process to increase its strength.
钢铁正在经历一个硬化过程，以增加其强度。
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2. The chemical used as a hardening agent in the manufacturing process is harmful to the environment.
作为制造过程中的硬化剂使用的化学物质对环境有害。
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3.The hardening treatment has improved the durability of the material.
硬化处理提高了材料的耐用性。