“tubing head”的概念、定义、翻译、参考文献-科学参考

单词	tubing head
释义	tubing head Encyclopedia 工学井口装置释 tubing head油管头油井生产管柱最上层装置。用于悬挂油管及密封油管与套管之间环形空间，上部接采油树配合生产。
随便看	agriculture economy of the West Europe in middle ages agriculture futures agriculture history in Guanzhong region agriculture history in Hetao region agriculture history in Hexi region agriculture history in Tai Lake region agriculture history in the Northeast region agriculture history in Yellow river Huai river and Hai river valleies agriculture history in Zhujiang River delta agriculture information agriculture informatization agriculture in Guanzhong region agriculture in Hetao region agriculture in Hexi region agriculture in Huang-Huai-Hai region agriculture in Northeast China agriculture in Taihu region agriculture intelligent information technology agriculture involution agriculture law agriculture map agriculture of ancient America agriculture of ancient Egypt agriculture of ancient Greece agriculture of ancient India

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