Warning: file_put_contents(): Only 0 of 6384 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.com/index.php on line 55 harden quench例句_harden quench英汉例句_harden quench双解例句_菜篮子兴趣思朗文词典
A tendency to harden by rapid cooling necessitates the use of preheat to remove the quench effect of cold metal , and to reduce the cooling rate. 强化的趋势迅速冷却，有必要制定预热来消除冷金属淬火效果，并减少冷却速率。