spline fit method

例句：

1. 1.The engineer used a spline fit method to connect the two pieces of metal together.
   工程师使用插接式配合方法将两块金属连接在一起。
2. 2. The spline fit method is an effective way to join two parts together without damaging them.
   插接式配合方法是连接两个部分而不损坏它们的有效方法。
3. 3.The spline fit method was used in the manufacturing process to ensure the accuracy of the assembly.
   在制造过程中使用了插接式配合方法，以确保装配的精确度。