名词
中文翻译：环形截面
同义词：
['annular', 'annular section', 'ring section']
例句：
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1.The engineer designed the new bridge with anannular section to improve its load-bearing capacity.
工程师设计了这座新桥，采用了环形截面以提高其承载能力。
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2. The construction of the tunnel requiredthe use of an annular sectionto ensure structural integrity.
隧道的建设需要使用环形截面来确保结构完整性。
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3. The designof the machine's frame was crucial, as it incorporated an annularsection to optimize its weight distribution.
机器框架的设计至关重要，因为它采用了环形截面以优化其重量分布。