cavo-surface angle

例句：

1. 1.The angle between the two plates is crucial for the stability of the structure.
   两个板之间的夹角对于结构的稳定性至关重要。
2. 2. The engineer used a computer model to calculate the cavo-surface angle.
   工程师使用计算机模型来计算腹面角。
3. 3.The patient's condition required an adjustment in the cavo-surface angle.
   患者的病情需要调整腹面角。