炖橄榄螺头汤 Olive and Whelk Soup
旋好尾端螺头 Male End Fitting
招牌螺头 Conch signboards ; Signs conch
双头螺栓 [机] stud ; bolt ; double end bolt ; double armed bolt
六角头螺栓 hexagon headed bolt ; Hexagon head bolts ; hexagonal head bolt ; hexagon bolt
大头螺丝 thumb screw ; thum crew ; thumb b screw
螺头规格 Specification of Die Head
勾头螺栓 HOOK BOLTS
埋头螺栓 countersink head bolt ; flush bolt ; [机] countersunk bolt ; Counter sunk head screw
圆头螺钉 round head bolt ; [机] round head screw ; cheese head screw ; Button Head Screw
终于他的手摸到了一个螺钉的螺头。
该螺丝包括一螺头、一凸台及一螺杆。
Wherein the screw comprises a screw head, a lug boss and a screw rod.
该凸台是设置在该螺头与该螺杆之间，其外周缘设有若干纵槽。
The lug boss is arranged between the screw head and the screw rod, and the external circumference of the lug boss is provided with a plurality of longitudinal grooves.
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