wing nut

基本解释元宝螺母

网络释义

1)wing nut,元宝螺母2)wing nut,蝶形螺母,元宝螺母3)wing nut,蝶影螺母,元宝螺母4)wing nut,元宝螺帽5)wing screw,元宝螺丝6)butterfly head scre,元宝头螺丝

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