Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/65d67aa415c2d4972af3c3de06221f6d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.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_奇葩剧汉英词典
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