drilling hole

基本解释

An optimum method of calculating drilling hole position in preventing cross-measure cutting coal gas burst is put forward.
提出了在石门揭煤中预防瓦斯突出的一种计算钻孔位置的优化方法。
The critical pressure and conditions of drilling hole burst are determined through the physics experiment of drilling hole burst.
通过钻孔冲击物理试验，研究了钻孔冲击的临界压力，以及钻孔冲击的条件；
Through the Jintian reservoir main dam grouting , the author sums up a feasible construction technique of dam slant drilling hole grouting , that accumulates experiences for future.
从金田水库大坝灌浆，总结出一套大坝斜孔造孔灌浆可行的施工工艺，为施工积累经验。

Useful how-to advice, such as drilling a hole in a ceramic pot without shattering it.
FORBES: Gardening
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
People drilling the hole with a giant rig were just able to pull it out of the way and get to safety when the steam exploded and dug a crater that's more than 100 feet deep and about as wide.
NPR: Businesses See Green in Iceland's Volcano Power

钻孔
The research works in this thesis are as follows:1. The critical pressure and conditions of drilling hole burst are determined through the physics experiment of drilling hole burst.
本文所做的研究工作如下： 1．通过钻孔冲击物理试验，研究了钻孔冲击的临界压力，以及钻孔冲击的条件；通过数值模拟，与物理试验相同的试验结果相验证，并揭示了钻孔冲击时卸载的应力降以及能量释放特征。
经济学
钻孔