名词
中文翻译：双重钢
同义词：
['dual steel', 'bimetallic steel']
例句：
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1.This duplex steel door is stronger and more secure than traditional wood doors.
这种双层钢门比传统的木制门更坚固、更安全。
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2. The construction of the bridge was made possible by the use of high-strength duplex steel.
这座桥梁的建设得益于高强度的双金属钢的使用。
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3. Duplex steel is commonly used in the manufacturing of heavy machinery, as it offers superior strength and durability.
双金属钢在制造重型机械中被广泛使用，因为它提供了更好的强度和耐用性。