名词
中文翻译：凸缘
同义词：
['flank', 'flange', 'rim', 'lip例句：1. The car has a flange on the back to hold the spare tire in place.（这辆车的后面有一个凸缘，用来固定备胎。）']
例句：
-
1. The car has a flange on the back to hold the spare tire in place.
这辆车的后面有一个凸缘，用来固定备胎。
-
2.The machine has a flange that fits over the bolts.
这台机器有一个凸缘，可以套在螺栓上。
-
3. The boat has a flange on the stern to keep it from sinking.
这艘船的尾部有一个凸缘，用来防止沉没。