名词
中文翻译：超低碳钢
同义词：
['ultra-low carbon steel', 'ultra-low-carbon alloy steel']
例句：
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1. This ultra-low-carbon steel is used in the production of high-speed rail cars.
这种超低碳钢用于生产高速列车。
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2. The ultra-low-carbon steel plates are being tested for their strength and durability.
正在测试这些超低碳钢板的强度和耐久性。
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3.The ultra-low-carbon steel sheet is lighter than traditional steel sheets, making it ideal for use in aircraft construction.
超低碳钢板材比传统钢材板材轻，非常适合用于飞机建造。