常見例句雙語(yǔ)例句New types 'of ceramic photochromic pigments doped with Er-oxide and other rare--earth or transition element oxides were prepared.用鉺氧化物并添加其它稀土氧化物及過(guò)渡金屬氧化物合成出了新型陶瓷光致變色顏料。 返回 rare-earth element er