Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/1fd2b22846a56c7045eaa41dcfc983c2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 Knoop hardness number是什么意思，Knoop hardness number的翻译，Knoop hardness number音标、读音、用法和例句_绍翊字体网有道词典
Because the hardness number obtained depends on the applied load, Knoop test restless should always cite the load used. 因为硬度值的获得和载荷十分密切，所以不太精确的努氏试验总是采用用过的载荷值。 blog.sina.com.cn