PDF(315 KB)
Research on formation density MWD instrument in engineering geological exploration
Dajun ZHAO, Guosheng JIANG, Youhong SUN, Junhua ZHENG, Zhuwen WANG
世界地质(英文版) ›› 2008, Vol. 11 ›› Issue (4) : 228-231.
PDF(315 KB)
PDF(315 KB)
Research on formation density MWD instrument in engineering geological exploration
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