名词
中文翻译：科瓦合金
同义词：
['Kovar steel', 'Kovar alloysteel']
例句：
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1. The Kovar alloy is used in the constructionof bridges and buildings.
科瓦合金用于桥梁和建筑的建设。
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2. TheKovar alloy isknown for its strength and durability.
科瓦合金以其强度和耐用性而闻名。
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3. The Kovar alloywas developed by a team of engineersto improve the performance of aircraft engines.
科瓦合金是由一支工程师团队开发，以提高飞机引擎的性能。