recovered manganese mud

例句：

1. 1.The recovery of the lost data was amajor challenge for the team.
   团队面临的主要挑战是恢复丢失的数据。
2. 2. Therecovered manganese mudis being tested for its potentialas an environmentally friendly material.
   正在测试回收的锰泥作为环保材料的潜在价值。
3. 3. The process of recovering manganese mud from wastewater is crucialfor sustainable development.
   从废水中回收锰泥的过程对于可持续发展至关重要。