无屑凿孔

【电】 chadless perforation

无的英语翻译：

naught; nonexistence; not; nothing; without; lack; zero
【医】 a-; leipo-; lipo-; non-

屑的英语翻译：

bits; crumbs; fritter; scraps; tailing; trifling
【医】 ramenta

凿的英语翻译：

authentic; certain; chip; chisel; irrefutable; mortise; pick
【医】 chisel; scalprum

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