动词短语
中文翻译：Unknown
同义词：
['heat-treated', 'heat-hardened', 'heat-treated steel']
例句：
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1. The steel beam was heat-strengthened to withstand the heavy load.
这个钢梁被加热加固，以承受重载。
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2. Heat-treated steel is used in a variety of applications due to its strength and durability.
由于其强度和耐用性，热处理钢被广泛应用于各种应用中。
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3. The engineers used heat-treated steel to construct the bridge, which proved to be very strong and durable.
工程师们使用了热处理钢来建造这座桥，结果证明它非常坚固耐用。