...-Powered by PageAdmin CMS 关键词：人牙釉质；酸蚀；激光处理；力学性能；耐磨性能 [gap=1142]Key words：human tooth enamel；erosion；laser treatment；mechanical properties；wear resistance ..
基于18个网页-相关网页
human tooth enamel
人牙釉质
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Tooth enamel begins to form in the human embryo when a specialised layer of cells, called ameloblasts, in the embryonic tooth bud secretes amelogenin proteins.
BBC: By BBC News Online Science Editor Dr David Whitehouse
应用推荐
模块上移
模块下移
不移动