drip campaign

例句：

1. 1. Thegovernment launched a drip irrigation campaign to conserve water resources.
   政府发起了一个滴灌运动，以节约水资源。
2. 2.The drip irrigation campaign has greatly improved the efficiency of irrigation in agriculture.
   滴灌运动大大提高了农业灌溉的效率。
3. 3.The drip irrigation campaign is an effective way to reduce water usage and conserve resources.
   滴灌运动是一种有效的减少用水和节约资源的方式。