最终目标是更大限度的提供每年的灌溉设施和增加可灌溉的乡村面积。
Its ultimate aim is to provide year round irrigation facilities and increase the irrigable area of the country to higher limits.
然而，灌溉用水的来源往往不是可持续的。
However, water used in irrigation is often sourced unsustainably.
湄公河为水稻种植生产提供了肥沃的可灌溉土地。
The Mekong River provides fertile, irrigated fields for rice production.
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