“orientation sub”的概念、定义、翻译、参考文献-科学参考

单词	orientation sub
释义	orientation sub Encyclopedia 工学定向井工具释 orientation sub钻井定向接头为陀螺测斜仪、随钻测斜仪等测量仪器提供固定方向坐放位置的配套工具。
随便看	weak product weak projectivity condition weak property weak pullback weak pulse weak pushout weak relation weak relative minimum weak retract weak retraction weak rigidity theorem weak rock weak sector condition weak separability weak sequence weak signal detection weak singular integral weak singularity weak solution weak solution of Ornstein Uhlenbeck type stochastic partial diffusion equation weak solution of Ornstein-Uhlenbeck type stochastic partial diffusion equation weak solution of SDE weak source weak stability weak stability boundary

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