决超声波探伤是什么原理? 悬赏分:10 - 解决时间:2005-9-16 12:25最佳利用它的反射、折射现象来探测物体内部的不均匀性,即超声波探伤的原理提问者对于答案的评价:谢谢,如果你能够说的更详细... -UT is any principle reward points : 10-solving caption-9 - 16 12 : 25 best use its reflection, refraction phenomenon to detect objects within the uneven, UT is the principle answer questions regarding the evaluation : Thank you, if you can say that in more detail ...