1) (естественный или искусственный) дренаж, осушение
2) канализация; водоотвод
- batter drainage
- blanket drainage
- bog drainage
- contour drainage
- covered drainage
- ditch drainage
- double drainage
- electric drainage
- flat drainage
- gravity drainage
- herringbone drainage
- house drainage
- ice-blocked drainage
- land drainage
- landing strip drainage
- mitre drainage
- mole drainage
- mole-pipe drainage
- open drainage
- open-channel storm drainage
- pavement drainage
- pumping drainage
- radial drainage
- roadway drainage
- roof drainage
- seepage water drainage
- single drainage
- site drainage
- storm drainage
- subsurface drainage
- surface drainage
- underground drainage
- yard drainage