Read Edit View history 凸耳 tū'ěr lug Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 凸耳 · tū'ěr · lug 2026/03/04 凸耳 tū'ěr lug a protruding part or ear-like projection on a component used for attachment, alignment, or handling 安装板上有四个凸耳,方便通过螺栓固定。 created sense Mar 4, 2026, 02:25 AM