derrick rig

常见例句

The most obvious part of a drilling rig is called "a derrick".
钻机中最显眼的部件叫做“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.
通过对石油钻机井架、底座无故障数据的可靠性评定，求得了不同时间状态下符合实际的可靠度。
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.
本文对SPS600型钻机A 形钴塔在可能承受的最不利载荷下结构的内力作了分析和计算。这一分析计算是从钻塔的工作与非工作两种状态分别进行的。