【电】 coupling aperture
coupling
【计】 coupling
crack; crevice; gap; interval; opportunity; rift
【化】 opening
【医】 gap; space; spatia; spatium; split
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