actual irrigation area

例句：

1. 1. The actual irrigation areais crucial for the survival of crops.
   实际灌溉面积对于农作物的生存至关重要。
2. 2. The government hasallocated more funds to improve the actual irrigation area.
   政府已经拨款改善实际灌溉面积。
3. 3. The farmers have been working hard toincrease the actual irrigation area intheir fields.
   农民们一直在努力增加农田的实际灌溉面积。