【机】 oil hole drill
paint; fat; grease; oil
【化】 oil
【医】 elaeo-; eleo-; oil; Ol; olea; oleo-; oleum
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
broach
【医】 bit