secondary reconstruction source

例句：

1. 1. The company's secondary reconstruction source is crucial for its survival.
   公司的次级重建源对于其生存至关重要。
2. 2.The new technology will provide a secondary reconstruction source for the energy crisis.
   新技术将为能源危机提供次级重建源。
3. 3.The government has identified several secondary reconstruction sources to address the shortage of resources.
   政府已经确定了几种次级重建源来解决资源短缺的问题。