water irrigation and drainage

英 美
  • 灌排
  • and conj.和;加;接着;那么
  • drainage n.排水;排水系统;污水;【医】引流(法),导液(法)
  • irrigation n.灌溉;[医]冲洗
  • water n.水;海域;雨水;海水v.给...浇水;给...供水;加水稀释;充满眼泪;给...水喝