derricks

英 [ˈdɛrɪks]

美 [ˈdɛrɪks]

n.  转臂起重机; (尤指船上的)吊杆式起重机; (油井的)井架，钻塔
derrick的复数

柯林斯词典

• （船舶上用的）吊杆式起货设备
  Aderrickis a machine that is used to move cargo on a ship by lifting it in the air.
• (油井上方的)井架，钻塔
  Aderrickis a tower built over an oil well which is used to raise and lower the drill.

双语例句

• In oilfield, downhole derricks are the main part that bears the loads in the downhole operation hoist system.
  在油田起下油（气）井管柱的各种施工中，作业井架是主要的承力构件，井架的承载性能对井下各种施工作业产生直接影响。
• Reliability Research for Derricks in Usage
  在用井架使用可靠性研究
• The main reasons of low repair quality are found on the basis of research and analysis, and corresponding solutions are taken. As a result, the repair quality of JJ70/ 39-K derricks is improved.
  经过调查、分析，找出了影响维修质量的主要原因，采取了相应的措施，提高了JJ70/39K型井架的维修质量，取得了很好的效果。
• Their anti torture properties were analyzed, and the stresses of derricks were calculated with nonlinear computing method.
  采用非线性计算方法对井架的杆件应力进行了计算。
• Structure Analysis of Open-Front Derricks for Medium-Size Rigs
  中型钻机前开回井架外形结构分析
• QTE, Quadrennial Through Examination for Derricks and Permanent Attachments to the Derricks, Masts and Decks;
  吊货杆及连接于吊货杆、桅和甲板的固定零部件的四年度全面检验；
• Aiming at the demand in oil industry for evaluating the safe state and the loading capacity of derricks in service, this paper presents a method of analyzing the loading capacity of drilling derrick steel structures with defects and defacements.
  针对目前石油工业中对服役井架结构进行安全性评定的需要，本文提出了对含损伤缺陷采油井架钢结构进行承载性能分析的方法。
• Current status and developing trends of drilling rig derricks
  石油钻机井架的现状与发展趋势
• These works exhibit the significance for the studies of loading capacity and security performance evaluation of the drilling derricks.
  这些工作对钻机井架的承载能力研究和安全评定工作具有重要意义。
• Dynamic reliability of drilling derricks under wind load
  风荷载作用下石油井架的动力可靠性研究