Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/20442c668cab1535b4f0179df34af083.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 harden quench例句_harden quench英汉例句_harden quench双解例句_流逝汉英词典
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。