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元宝螺丝 指旋螺钉
thumbscrew  detail>>
元宝螺钉
butterfly screw  detail>>
元宝螺丝
wing screw  detail>>
指旋螺钉
thumbscrew  detail>>
指旋螺丝
thumb screw thumbscrew  detail>>
弹簧螺钉,松不脱螺钉,指旋螺钉,面板螺钉
captive screw,knurled screw,unloseable screw thumb screw,pannel screw  detail>>
元宝螺帽
lamb  detail>>
元宝螺母
eared nut thumb nut thumbnut wing nut  detail>>
指旋螺帽
thumb nut  detail>>
指旋螺纹
thumb bolt  detail>>
扫描螺丝指数
index of the scanning helix  detail>>
蝶形螺帽,元宝螺帽
butterfly nut thumb nut  detail>>
蝶影螺母,元宝螺母
wing nut  detail>>
翼形螺帽(元宝螺帽)
butterfly nut  detail>>
元宝头螺丝
butterfly head screw  detail>>
右旋螺钉
right hand screw right handed screw right screw right-hand screw right-handed sc...  detail>>
右旋螺丝
right-handed screw  detail>>
左旋螺丝
left handed screw  detail>>