铰孔

1.ream  

铰的英语翻译：

bore with a reamer; ream

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