reconstruction of defect of chest wall

例句：

1. 1. The team isrebuilding its infrastructure after the fire.
   在火灾后，该团队正在重建其基础设施。
2. 2. The scientist is conducting a reconstructionof the ancient city's history.
   科学家正在进行对古代城市历史的重建研究。
3. 3. Thecompany is reconstructing its supply chainto improve efficiency.
   该公司正在重构供应链以提高效率。