1.Change the water in bird baths at least once a week or install a fountain or dripper to keep the water moving.
改变水的鸟洗澡每周至少一次或安装喷泉或滴头保持水动。
2.Are You a Sneezer, Wheezer, Sniffer, or Dripper?
你会打喷嚏，喘息，用鼻子吸气或流鼻涕吗？
3.Experimental Research about Dripper Discharge Design Mode for Point Source Drip Irrigation
点源滴灌滴头流量设计模式的试验研究
4.Effects of dripper discharge and spacing on growth of cucumber in Chinese solar greenhouse under drip irrigation
日光温室滴灌条件下滴头流量和间距对黄瓜生长的影响
5.Relationships between dripper discharge and soil wetting pattern for drip irrigation
点源滴灌滴头流量与湿润体关系研究
6.Rapid finalization of irrigator dripper in drip-irrigation by virtue of RP technique
基于RP技术的滴灌用灌水器滴头的快速定型
7.Research on the Clogging of Dripper and Measure of Prevention
滴头堵塞研究现状及预防措施