短語詞組短語hexagonal l nut 六角螺母hexagonal brass nut 銅六角螺母hexagonal socket nut 內(nèi)六角螺母hexagonal check nut 六角防松螺母mild steel hexagonal nut 六角螺絲帽ball faced hexagonal nut 球面六角螺母Thin hexagonal nut 名稱stud hexagonal nut 柱螺栓六角螺母hexagonal bolt and nut 六角帶螺帽螺栓 返回 hexagonal nut