名词
中文翻译：Unknown
同义词：
['double-winged spar', 'double-winged timber', "double-winged beam例句：1. The construction ofthe bridge required the use of double-winged spar to ensure its stability.（建造这座桥需要使用双翼桁材来确保其稳定性。）2. Theship's hull was reinforced with double-winged spar to withstand the high waves.（船的船身用双翼桁材加固，以承受高浪。）3. The engineer used double-winged spar to design a moreefficient wind turbine.（工程师使用双翼桁材设计了更高效的风力涡轮机。）"]
例句：
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1. The construction ofthe bridge required the use of double-winged spar to ensure its stability.
建造这座桥需要使用双翼桁材来确保其稳定性。
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2. Theship's hull was reinforced with double-winged spar to withstand the high waves.
船的船身用双翼桁材加固，以承受高浪。
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3. The engineer used double-winged spar to design a moreefficient wind turbine.
工程师使用双翼桁材设计了更高效的风力涡轮机。