搜索筛选:
搜索耗时4.5347秒,为你在为你在102,285,761篇论文里面共找到 1 篇相符的论文内容
发布年度:
An exact algorithmic method based on trigonometrical relations to predict the rock quality designati
[期刊论文] 作者：Siavash Sheikhizadeh,Hossein J,
来源：矿业科学技术学报：英文版 年份：2013
In core logging, each joint set intersects borehole into some segments. In this research, it has been shown that length of the borehole segments created by each...
相关搜索：
