STUDY OF THE FAILURE MECHANISM OF THE GEOLOGICAL EXPLORATION BIT
LI Qing JIN Xin TAN Gun LI Guo-zhong ZHOU Feng-zhe
西南石油大学学报(自然科学版) . 2004, (4): 73 -77 .  DOI: 10.3863/j.issn.1000-2634.2004.04.021