凹版印刷,凹版照相用凹版印刷復制
Photogravure \Pho`to*grav"ure\, n. [F.] A photoengraving; also, the process by which such a picture is produced.
photogravure n 1: printing from an intaglio plate prepared by photographic methods 2: an intaglio print produced by gravure [syn: {gravure}, {heliogravure}] 3: using photography to produce a plate for printing [syn: {rotogravure}]