groundwater increment

例句：

1. 1. The groundwater increment is a critical factor in the sustainability of the region's water resources.
   地下水增量是该地区水资源可持续性的关键因素。
2. 2.The groundwater increment has been monitored to ensure that it does not exceed safe levels.
   地下水增量被监测以确保其不超过安全水平。
3. 3.The groundwater increment is closely monitored by the government to prevent any potential contamination.
   政府密切监控地下水增量以防止任何潜在的污染。