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[期刊论文] 作者：Adebayo Babatunde,Bello Wasiu,
来源：矿业科学技术学报：英文版 年份：2014
The study examined joint discontinuity spacing effect on drilling condition and performance in selected rocks in Ilorin and Ibese areas, Nigeria. Five samples f...
[期刊论文] 作者：Adebayo Babatunde,Bello Wasiu Ademola,,
来源：International Journal of Mining Science and Technology 年份：2014
The study examined joint discontinuity spacing effect on drilling condition and performance in selected rocks in Ilorin and Ibese areas, Nigeria. Five samples f...
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