split bolt

例句：

1. 1. The car was so old that it needed to be replaced with a new split bolt.
   这辆车太旧了，需要用新的分裂螺栓来替换。
2. 2.He used the split bolt to hold the door open.
   他用分裂螺栓来撑开门。
3. 3.The engineer carefully removed the split bolt and replaced it with a stronger one.
   工程师小心翼翼地拆下分裂螺栓，并用更坚固的替换它。