名词短语
中文翻译：Unknown
同义词：
['slowing', 'slowing down例句：1. The process of slow hardening is essential for the development of the material.（慢速硬化过程对于材料的发展至关重要。）']
例句：
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1. The process of slow hardening is essential for the development of the material.
慢速硬化过程对于材料的发展至关重要。
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2.As the temperature drops, the rate of slow hardening increases.
随着温度下降，慢速硬化速率增加。
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3. The slow hardening process can be accelerated by using a heat treatment method.
通过使用热处理方法可以加速慢速硬化过程。