shaft fit

例句：

1. 1. The machine needs to be adjusted to ensure proper shaft fit.
   这台机器需要调整以确保适当的轴套配合。
2. 2. The new parts fit perfectly into the old shaft.
   新零件完美地适配到旧的轴上。
3. 3. The engineer checked the shaft fit before starting the project.
   工程师在开始项目之前检查了轴套配合。