wing screw

基本解释元宝螺丝

网络释义

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

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