实践证明，此方法具有简便易行、造价低、准确直观的优点，为激光全息无损检测在一定范围用于在线检测提供了一种有效方法。
The experiments prove that this method characterized by its simplicity, low-cost, accuracy and re- liability, can made the HNDT method be used in production line within certain range.
描述了一种新的利用电涡流进行石墨球表面缺陷检测的在线无损检测方法。
A new method of on line nondestructive testing for the flaws on graphite spheres surface with electromagnetic eddy current is stated.
在对热轧钢坯在线无损检测的方法进行介绍的基础上，对技术难点做分析并制定相应的对策。
This article analyzes the technical difficulty based on the introduction of the lossless detection on line method of the hot-rolled steel billet and sets down the corresponding countermeasure.
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