confining region of reinforcement

例句：

1. 1.The engineer designed the structure to ensure maximum strength in the confining region.
   工程师设计了这个结构，以确保在限制区域内达到最大强度。
2. 2. The construction workers were working diligently to complete the task within the confining region.
   建筑工人正在努力工作，以完成任务，这需要在限制区域内完成。
3. 3. The research focused on understanding the behavior of materials in the confining region.
   研究专注于理解材料在限制区域内的行为。