drainage

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

- mitred 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-water drainage

- storm drainage

- subsurface drainage

- surface drainage

- underground drainage

- yard drainage