Warning: file_put_contents(): Only 0 of 6436 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 harden quench是什么意思，harden quench的翻译，harden quench音标、读音、用法和例句_乐豆毛深蓝词典
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. 強化的趨勢迅速冷卻，有必要制定預熱來消除冷金屬淬火傚果，竝減少冷卻速率。