滴灌管 dīguànguǎn drip irrigation pipe Definitions Defs Origin Strokes Stroke Words Sentences Sents 滴灌 dīguàn drip irrigation To irrigate by allowing water and fertilizer to slowly drip through pipes to the soil near the plant roots; a water-saving and efficient farming method.管 guǎn noun tube tube; pipe; cylinder; any long, hollow cylindrical object