Inflorescence without a campanulate involucre , bracts spirally arranged .

没有一钟状的总苞的花序，苞片螺旋状排列。

Conductor spirally applied around a glass fiber core .

导体缠绕在玻璃纤维线芯上.

Development status of spirally wound lead acid batteries .

卷绕式铅酸蓄电池发展状况。

Spur u-shaped or spirally recurved .

距u形或螺旋下弯的。

Rigid spirally curved elongate bacteria .

延长细菌，质硬，螺旋曲线状。