axial admission

例句：

1. 1. The machine has an axialscrew mechanism.
   这台机器有一个轴向螺旋机构。
2. 2. The axis of the planet isperpendicular to its orbit.
   行星的轴线与其轨道垂直。
3. 3. Theaxial symmetry of thestructure is important for stability.
   结构轴对称性对于稳定性很重要。