单词	滚筒油印机
释义	滚筒油印机 mimeograph
随便看	beam splitters beam-splittig prism beam splitting beam-splitting beam-splitting angle beam splitting, beam combining used as aids beam splitting coating beam splitting dichroic mirror beam splitting element beam-splitting fiber beam splitting layer beam splitting lens beam-splitting lens beam splitting means beam splitting mirror beam-splitting optical system beam splitting prism beam-splitting prism beam splitting prism attachment beam splitting reflector beam splitting system beam spoiler beam spot beam spot center Beam-spot receiver