“drill rod”的概念、定义、翻译、参考文献-科学参考

单词	drill rod
释义	drill rod Encyclopedia 理学孔内钻具释 drill rod；drill pipe钻杆钻探施工中用以连接钻头等，并传递钻压、动力、输送冲洗介质的中空杆件。
随便看	braking capture braking energy recovery system braking index braking lining braking of freight vehicle braking orbit braking radiation braking rope braking system of hydro-generator unit Bram bramble Bramer Bramham Park Bram Stoker brancart branch branch and bound branch-and-bound algorithm branch and bound method branch-and-bound method branch and root of meridian Branch Censorate branch chain branch company branch conflict

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