designed irrigation area

例句：

1. 1.The new irrigation system has greatly improved the efficiency of the designed irrigation area.
   新的灌溉系统大大提高了设计灌溉区的工作效率。
2. 2.The design of the irrigation area is crucial for ensuring water conservation and reducing pollution.
   灌溉区域的设计方案对于确保水资源的节约和减少污染至关重要。
3. 3. The designer carefully considered the needs of the local environment to create a designed irrigation area that harmonizes with nature.
   设计师仔细考虑了当地环境的需求，创造了一个与自然和谐的灌溉区域设计。