名词
中文翻译：硬化过程
同义词：
['硬化，硬化处理例句：1. The steel was subjected to a graduated hardening process before being used in the construction.（钢材在用于建筑之前，先经过一个分级的硬化处理。）']
例句：
-
1. The steel was subjected to a graduated hardening process before being used in the construction.
钢材在用于建筑之前，先经过一个分级的硬化处理。
-
2.During the course of the experiment, the sample underwent a graduated hardening process.
实验过程中，样品经历了一个分级的硬化过程。
-
3.The metal was subjected to a graduated hardening process to improve its strength and durability.
为了提高其强度和耐用性，金属经历了一个分级的硬化处理。