Warning: file_put_contents(): Only 0 of 6561 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 cryptocrystalline是什么意思，cryptocrystalline的翻译，cryptocrystalline音标、读音、用法和例句_魏碑心思朗文词典
A new compound floatation agent for graphite has been developed, which is very effective on the floatation of cryptocrystalline graphite. 研制了一种对难于浮选的隐晶质石墨有良好浮选效果的新的复合型石墨浮选剂。