“directional well tool”的概念、定义、翻译、参考文献-科学参考

单词	directional well tool
释义	directional well tool Encyclopedia 工学定向井工具释 directional well tool定向井工具使钻头沿着预定的井斜和方位钻进实现导向钻井的用具，以及测量井斜角、方位角和工具面等参数仪器的总称。
随便看	differential and more favorable treatment principle in the WTO differential aptitude test differential artificial boundary condition differential astrometry differential atmosphere absorption differential attack differential augmentation differential basis differential binomial differential boundary differential boundary-value problem differential calculus differential capacitance method differential capacity differential catalogue differential Cerenkov counter differential circuit differential coefficient differential cognitive structure differential comitant differential complex differential conductance differential constraint differential control differential correction

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