THE ROOF BOLT MECHANIC ANALYSIS OF THE PIPELESS HYDRAULICFEEDBACKTYPE PUMPING TECHNOLOGY
FENG Guo-qiang;HAN Qi-qing;TENG Guo-quan;LI Shao-fu;FENG Guo-yong
西南石油大学学报(自然科学版) . 2010, (1): 160 -164 .  DOI: 10.3863/j.issn.1674-5086.2010.01.033