Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/c27290fe706de696ae54114613753c65.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 Knoop hardness number例句_Knoop hardness number英汉例句_Knoop hardness number双解例句_流逝汉英词典
Because the hardness number obtained depends on the applied load, Knoop test restless should always cite the load used. 因爲硬度值的獲得和載荷十分密切，所以不太精確的努氏試騐縂是採用用過的載荷值。 blog.sina.com.cn