半沉没柱稳定的海上钻井装置
semisubmersible column stabilized offshore drilling unit
半潜式钻井装置
semi-submersible drilling unit
电钻井装置的应用
electric drill rig application
顶驱钻井装置
top driving well drilling device
浮式海洋钻井装置
floating offshore drilling rig
两用钻井装置
combination drilling outfit
水下钻井装置
underwater drilling device
自航式钻井装置
self-propelled drill vessel