“mast/derrick”的概念、定义、翻译、参考文献-科学参考

单词	mast/derrick
释义	mast/derrick Encyclopedia 工学井架释 mast/derrick井架在钻井或修井过程中，用于放置天车，悬挂顶驱、游车、大钩等设备，存放钻杆、油管及抽油杆，以便进行起下钻具、钻进、下套管等作业的装置。
随便看	simultaneous exploration of oil and potash simultaneous exploration of oil and uranium simultaneous fault simultaneous fermentation simultaneous game simultaneous homogeneous approximation simultaneous inequalities simultaneous inference simultaneous integral equations simultaneous interpreting simultaneous interval estimation simultaneous invariants simultaneous iteration simultaneous leaching simultaneous linear congruences simultaneous linear equations simultaneous localization and mapping simultaneously satisfiable simultaneous masking simultaneous multiplane imaging simultaneous multiple surface design method simultaneous multi-threading simultaneous multi-threading, SMT simultaneous observation simultaneous opera performances by multiple troupes

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