石油钻机维修可靠性研究
孙建刚, 赵桂姿, 滕振超, 袁朝庆
Research on the maintenance reliability of the petroleum drilling rig
SUN Jian-gang
石油学报 . 2002, (6): 81 -84,89 .  DOI: 10.7623/syxb200206018