TiO_2 bioceramic coatings were prepared on the surface of Ti-6Al-4V by micro-arc oxidation (MAO) technique.是什么意思_TiO_2 bioceramic coatings were prepared on the surface of Ti-6Al-4V by micro-arc oxidation (MAO) technique.在线翻译_英语_读音_用法_例句