dorsal longitudinal column

例句：

1. 1.The dorsal longitudinal column of the spine is crucial for maintaining posture.
   脊柱的背侧纵列柱对于保持姿势至关重要。
2. 2. In the construction of buildings, the dorsal longitudinal column plays a vital role in supporting the structure.
   在建筑施工中，背侧纵列柱在支撑结构方面起着至关重要的作用。
3. 3. The dorsal longitudinal column is made of steel and is used to support the roof.
   背侧纵列柱由钢材制成，用于支撑屋顶。