“dual-wall drill pipe”的概念、定义、翻译、参考文献-科学参考

单词	dual-wall drill pipe
释义	dual-wall drill pipe Encyclopedia 理学孔内钻具释 dual-wall drill pipe双壁钻杆具有两个流体通道的钻杆。
随便看	thyristor switched capacitor thyristor valve thyristor voltage regualtor thyrite thyroarytehoid thyroarytenoid part thyrocricoid puncture thyrode thyroglobulin thyroglossal cyst thyroglossal fistula thyroid adenoma thyroid associated ophthalmopathy thyroid cancer thyroid carcinoma thyroid cartilage thyroid colloid thyroid diseases thyroid follicle thyroid functional disorders thyroid function equipment thyroid function measurement instrument thyroid gland thyroid hormone thyroid imaging agent

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