排水孔

1.drainhole  2.dewateringorifice  3.exhaustoutlet  4.hydathode  5.weephole  6.weir  7.weephole  8.sinker  9.oscule  10.freeingport  

排水的英语翻译：

catchment; drain; drainage
【医】 drain; drainage

孔的英语翻译：

aperture; bore; foramen; hole; os; ostium; vulva
【化】 hole; opening
【医】 apertura; aperturae; aperture; bore; coel-; foramen; foramina; hiatus
mesh; opening; pore; Pori; porosity; porus; trema