axle assembling stand

例句：

1. 1. The car's axle broke, so I had to fix it myself.
   车的轴断了，所以我不得不自己修。
2. 2. The engineer checked the axle for wear and tear.
   工程师检查了轴的磨损情况。
3. 3. The old car's axle is rusted through.
   这辆旧车的车轴锈透了。