drip feed

noun
1
the slow steady release of separate small amounts of something such as information
انتقال قطره‌ای, ارائه تدریجی, چکاندن تدریجی
2
a slow, continuous supply of liquid food, medicine, water, etc.
تغذیه قطره‌ای
I'm sitting in hospital hooked up to a drip feed.
The garden is watered through a drip feed irrigation system.