mechanical axis的用法和樣例：
例句
- When swinging transmission machine operation, the force constant rotation axis to make efforts before and axial rotation move backward.
當搖擺傳動機械運行時，等速旋轉入力軸使出力軸向前和向後旋動。 - There was a significant difference in coronal alignment between the preoperative and postoperative mechanical axis action point.
術前和術后的機械軸活動點在冠狀序列上有明顯的差別。
