名词
中文翻译：夹心钢
同义词：
['core steel', 'sandwich core steel']
例句：
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1.The sandwich steel is used in the manufacturing of high-speed rail vehicles.
夹心钢用于高速铁路车辆的制造。
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2. The sandwich steel has a high strength and good toughness.
夹心钢具有高强度和良好的韧性。
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3.The sandwich steel is an important material for the construction of bridges and tunnels.
夹心钢是桥梁和隧道建设的重要材料。