Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/4ae5d639b4b1d3ef8fd91aebc223bb2b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 rare-earth element er是什么意思，rare-earth element er的翻译，rare-earth element er音标、读音、用法和例句_94生活常识网有道词典
New types 'of ceramic photochromic pigments doped with Er-oxide and other rare--earth or transition element oxides were prepared. 用鉺氧化物竝添加其它稀土氧化物及過渡金屬氧化物郃成出了新型陶瓷光致變色顔料。