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。

youdao

The related theory has the meaning of directing the process of the down-hole method of shear wave testing.

有关理论对下孔法剪切波测试过程的简化具有一定的指导意义。

youdao

This paper describes the theory, features and testing results of the air reverse circulation drilling process used in geo physical blast hole drilling.

概述了空气反循环钻进工艺应用于物探爆破孔施工的原理、特点及其试验应用情况。

youdao

His only mistake came on the testing closing hole as a bogey five left him on nine-under 275.

CNN: G-Mac back on top after Heritage playoff triumph

Three putts from 40 feet on the par-three 17th left him seven over for the tournament and with little chance of making the halfway cut before he found yet more water on the testing par-five finishing hole.

CNN: March 2, 2013 -- Updated 1004 GMT (1804 HKT)

Then, after carefully drilling a hole into the crystals' walls and removing the few microlitres of fluid from each inclusion, the researchers began testing their samples for life.

ECONOMIST: Old salts