名词
中文翻译：凸缘
同义词：
['bend', 'curve', 'bulge']
例句：
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1.The car's flange is designed to fit perfectly into the door frame.
这辆车的凸缘设计得可以完美地插入车门框架。
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2. The boat's flange was damaged during the storm.
暴风雨中，船的凸缘受损了。
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3.The machine's flange is used to hold parts together.
这台机器的凸缘用来固定部件。