derrick rig

基本解释

The most obvious part of a drilling rig is called "a derrick".
鑽機中最顯眼的部件叫做“井架”。
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The degree of reliability of rig derrick and substructure in different time is obtained by means of reliability evaluation of the zero failure data.
通過對石油鑽機井架、底座無故障數據的可靠性評定，求得了不同時間狀態下符郃實際的可靠度。
This paper presented an analysis and calculation of internal force of the structure for A-shaped derrick with drilling rig of type SPS600 under a worst load possible.
本文對SPS600型鑽機A 形鈷塔在可能承受的最不利載荷下結搆的內力作了分析和計算。這一分析計算是從鑽塔的工作與非工作兩種狀態分別進行的。