Warning: file_put_contents(): Only 0 of 6282 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 nondestructive testing英英字典_nondestructive testing剑桥英语解释_nondestructive testing柯林斯英文解释_零食美味英文词典
1. N any of several methods of detecting flaws in metals without causing damage. The most common techniques involve the use of X-rays, gamma rays, and ultrasonic vibrations 非破壞性試騐 ( abbr: NDT)