spiralian.腕螺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-screen column旋筛精馏塔spiral reverse bandage[医] 螺旋反折绷带spiral shaped catheter螺旋形导管spiral tube evaporator螺旋管式蒸发器spirally-wound tubes螺旋管圈spiral redundancy check螺旋冗余校验spiral coiled waveguide螺旋线波导管spiral weld-pipe mill螺旋焊管机spiral-staircase coil毕特线圈spiral transition curve缓和曲线