摘要
本文详细介绍了黑河大坝倒垂孔的施工技术,对于开拓钻探市场提供了一个很好的范例。
This paper has made a detailed introduction of adoption of the construction technology of upward vertical hole in the Heihe Dam, which presents a good example for drilling market.
出处
《陕西地质》
2006年第2期57-59,共3页
Geology of Shaanxi
关键词
倒垂孔
钻探
技术
upward vertical hole
drilling
technology
