thumb nut [机] 蝶形螺母 ; [机] 翼形螺母 ; 翼形螺帽 ; 蝶形螺帽
iron thumb nut 指拧铁螺母 ; 蝶形铁螺母
thumb nut wing nut 蝶形螺母
Tension regulating thumb nut 夹线调节压脚螺母
knurled thumb nut with collar 滚花高螺母
iron sheet thumb nut 蝶形铁螺母
knurled thumb thin nut 滚花薄螺母
以上来源于: WordNet
N a nut with projections enabling it to be turned by the thumb and forefinger; wing nut 滚花螺母; 翼形螺母
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