名词
中文翻译：Unknown
同义词：
['- flange: 凸缘，指物体边缘的凸起部分。']
例句：
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1. The car's flange form isdesigned to improve aerodynamics.
汽车的凸缘设计旨在提高空气动力学性能。
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2.The new design of the bridge has aunique flange form that enhancesstability.
新桥的设计具有独特的凸缘形状，这增强了稳定性。
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3. The shapeof the flower petalsis determined by the flange form of the sepals.
花瓣的形状由萼片的凸缘形状决定。