spiral ring structure

例句：

1. 1.The design of the new car has a spiral ring structure that makes it more efficient.
   这款新车的设计采用了螺旋环状结构，使其更加高效。
2. 2. The ancient city's architecture is characterized by its spiral ring structure.
   这座古城的建筑特色是其螺旋环状结构。
3. 3.The scientist explained the mechanism of the spiral ring structure in detail.
   科学家详细解释了螺旋环状结构的工作机制。