【化】 orifice control valve
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
bat; board; plank
【计】 board
【医】 assula; bar; board; disc; disci; discus; disk; lamella; lamellae
lamina; laminae; plasue; plate; table; tabula; tile
throttle
【化】 throttle valve; throttling valve