drip feed lubricaor

例句：

1. 1. The drip feed system is designed to deliver water directly to the roots of plants.
   滴灌系统设计为直接将水输送到植物的根部。
2. 2.The farmer used a drip feed to ensure that his crops received the necessary nutrients.
   农民使用滴灌来确保他的作物得到必要的养分。
3. 3. The drip feed method has been shown to improve soil moisture and plant growth.
   滴灌方法已被证明可以提高土壤湿度和植物生长。