A method for supersonic wave testing and a new correlative couple device used in drill hole without water are introduced. It is of simplicity, effectivity and lowcost.
提出了一种干孔(超)声波测试方法，介绍了一种相应的干孔耦合装置，使用简便有效，成本低。
A method for supersonic wave testing and a new correlative couple device used in drill hole without water are introduced. It is of simplicity, effectivity and lowcost.
提出了一种干孔(超)声波测试方法，介绍了一种相应的干孔耦合装置，使用简便有效，成本低。
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