micro irrigation

例句：

1. 1.Micro-irrigation is a technique that uses small amounts of water to water plants.
   微灌是一种使用少量水来给植物浇水的技术。
2. 2. The micro-irrigation system was designed to conserve water and reduce waste.
   微灌系统旨在节约用水和减少浪费。
3. 3. In agriculture, micro-irrigation is used to water crops in areas with limited water resources.
   在农业中，微灌被用来给水资源有限的地区作物浇水。