排水

• Shipbuilding . external scuppers . oval gratings
  造船工业.外部排水口.椭圆形格栅
• Shipbuilding . external scuppers . circular gratings
  造船工业.外部排水口.圆形格栅
• Shipbuilding . internal scuppers . single scuppers
  造船工业.内部排水口.单个排水口
• Land must be well drained for some crops
  土地必须做相当的排水以适合某些作物。
• Code for design of irrigation and drainage engineering
  灌溉与排水工程设计规范
• Construction of an outfall structure in west kowloon
  西九拟进行排水口建造工程
• The upstairs plumbing . . . you don ' t wanna know
  就楼上那排水系统，你不会愿意的
• Water system design of wan bang city garden apartments
  万邦都市花园给排水设计