spiralityn.螺旋形(螺状)spiraln.螺旋；螺旋形之物；不断恶化、增加或减少v.螺旋移动；盘旋上升；不断恶化、增加或减少adj.螺旋形的；盘旋的Spiral pulse forming line螺旋脉冲形成线spiral welding steel pipe螺焊钢管spiral curve of cognition认识的螺旋曲线spiral flow air diffusion螺旋形空气流扩散spiral-type seed grader螺旋种子清选机spiral fold of cystic duct胆囊管螺旋襞spiral point drill pointer万能钻头刃磨机spiral cased water turbine蜗壳式水轮机Spiral scanning projection螺旋扫描投影spiral bimetal thermometer[化] 螺旋式双金属温度计