好看的中文字幕av,巨尻av在线,亚洲网视频,逼特视频,伊人久久综合一区二区,可以直接观看的av网站,天堂中文资源在线观看

Home / China / Society

Want new ear or car? Try 3-D printing

(chinadaily.com.cn) Updated: 2015-06-12 09:12 Comments

Want new ear or car? Try 3-D printing

Chinese doctor Liu Zhongjun poses for pictures with a spine model implanted with a 3-D-printed artificial axis, at Peking University Third Hospital in Beijing, August 14, 2014. Liu has successfully implanted an artificial axis produced by a 3-D printer into the spine of a bone cancer patient. [Photo/CFP]

Most Popular
...