名词
中文翻译：非标准钢材
同义词：
['special steel', 'special-shaped steel']
例句：
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1. The construction company used a variety of special-shaped steel for the bridge project.
这家建筑公司用各种特殊形状的钢材来建造这座桥梁。
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2. The engineer designed a special-shaped steel beam to support the weight of the building.
这位工程师设计了一根特殊形状的钢梁来支撑建筑物的重量。
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3. The new car features a special-shaped steel body that provides better fuel efficiency.
这款新车采用了特殊形状的钢体，以提供更好的燃油效率。