Warning: file_put_contents(): Only 0 of 4905 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/28094.com/index.php on line 55 valence force例句_valence force英汉例句_valence force双解例句_贰靶汉英词典
The results of valence structure calculation showed that cobalt enhances the bonding forces of α-Fe atoms and tempering resistance of the steel. 价电子结构计算结果表明，钴增强了基体晶格的键合力，同时也提高了回火抗力。