半沉没柱稳定的海上钻井装置
semisubmersible column stabilized offshore drilling unit
电钻井装置的应用
electric drill rig application
坐底式活动钻井装置
bottom-supported mobile rig
自航式钻井装置
self-propelled drill vessel
两用钻井装置
combination drilling outfit
浮式海洋钻井装置
floating offshore drilling rig
顶驱钻井装置
top driving well drilling device