名词
中文翻译：合金
同义词：
['alloy', 'metallurgy']
例句：
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1.The Alfin alloys are used in the production of aircraft engines.
Alfin合金用于生产飞机引擎。
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2. The development of new Alfin alloys has greatly improved the performance of our cars.
开发新的Alfin合金大大提高了我们汽车的性能。
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3. The Alfin alloys have a high strength-to-weight ratio, making them ideal for use in construction.
Alfin合金具有很高的强度-重量比，因此非常适合用于建筑。