凸耳 meaning in English

boss
dummy club
ear
ledge
projecting lug
trunnion

Sheet metal formability and methods - earing test
金属薄板成形性能与试验方法凸耳试验
Lugs should not be used to adjust misalignment in piping
凸耳不应该用来作为管道校准。
Aerospace series . washers , tab for flight control rods . dimensions
航空航天系列.飞行操纵拉杆用凸耳垫圈.尺寸
En 2948 aerospace series . washers , tab , in heat resisting steel , passivated
航空航天系列.钝化耐热钢制凸耳垫圈
Tab washers with long tab
带长凸耳的凸耳垫圈

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