oil rig derrick 石油钻机井架
drilling rig derrick 钻机井架
derrick rig [机] 吊杆装置
mechanized derrick rig 机械化吊杆装置 ; 改良型吊杆装置
to rig a derrick 整理吊杆
triple derrick drilling rig 三层井架钻机
derrick rig system 吊杆装卸装置
Making reliability appraisal for the on-site rig derrick is an important work to ensure salty in drilling.
对在用钻机井架的可靠性进行鉴定是保证钻井作业安全的一项重要工作。
By analyzing the wind disaster of oil rig derrick, the basic reasons of the By analyzing normal work or falls in the service drilling machine derrick in oilfield were analyzed.
从石油井架风灾害分析入手，客观分析了油田在役钻机井架不能正常工作或倾倒的根本原因。
The principle of the aerodynamics is used to study the land wind field characteristic of the Daqing oil field and the wind load spectrum theory of oil rig derrick has been established.
运用空气动学原理，研究了大庆油田的陆地风场特性，进行了井架结构风载荷谱理论分析。
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