8(1/2)”XHP 3S牙轮钻头可靠性分析
刘明革
A STUDY ON LIFE DISTRIBUTION AND RELIABILITY OF 8(1/2)”XHP 3S ROCK BIT
Liu Mingge
石油学报 . 1997, (2): 104 -109 .  DOI: 10.7623/syxb199702018