P634.3+1
中国地质调查局地质调查项目(编号:1212010660701)
刘凡柏,王庆晓,李文秀,等. YDX-2型全液压岩心钻机的研制[J].钻探工程,2009,36(9):32-35.
LIU Fan-bai, WANG Qing-xiao, LI Wen-xiu, et al. Development of YDX-2 All Hydraulic Core Drill[J]. Drilling Engineering, 2009,36(9):32-35.