PDF(315 KB)
Research on formation density MWD instrument in engineering geological exploration
Dajun ZHAO, Guosheng JIANG, Youhong SUN, Junhua ZHENG, Zhuwen WANG
Global Geology ›› 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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