dead lever fulcrum bracket

例句：

1. 1. The old lever was a dead end for the project.
   这个旧杠杆对项目来说是死胡同。
2. 2. The team struggled to find a solution that would work as the deadlock persisted.
   团队努力寻找一个解决方案，但僵局持续存在。
3. 3.The engineer had to use a dead lever to disconnect the cables.
   工程师不得不使用死杠杆来断开电缆。