nondestructive testing
柯林斯詞典
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 非破壞性試驗 ( abbr: NDT)
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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 非破壞性試驗 ( abbr: NDT)