“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	melamine resin Melancholia Melancholy Girls: A Collection of Zaju Operas melancholy impairing lung Melanchthon Melanesia Melanesian Melanesian Aboriginal Art Melanesian Art Melanesian Islands Art Melanesians Melanesian Spearhead Group，MSG Melanie Klein melanin melanoblast melanocyte melanocyte-stimulating hormone melanocyte-stimulatinghormone melanocyte-stimulating hormone release inhibiting factor melanocyte-stimulating hormone releasing factor melanoma of the nose melanoma vaccine melanophore melanosis melanosis coli

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