double-ended break

例句：

1. 1. The engineer designed a double-ended break for the bridge to improve its stability.
   工程师为桥梁设计了一个双头断裂，以增强其稳定性。
2. 2. During the construction, workers had to make several double-ended breaks to reach the top of the building.
   在施工过程中，工人们不得不进行多次双头断裂，才能到达建筑物的顶部。
3. 3. The double-ended break was a critical part of the project, requiring careful planning and execution.
   双头断裂是该项目的关键部分，需要仔细规划和执行。