“采油树”的概念、定义、翻译、参考文献-科学参考

单词	采油树
释义	采油树 Encyclopedia 工学采油树释 christmas tree采油树井口装置油管头以上的主体部分。外形像树。理学水下油气生产系统释 hristmas tree / production tree采油树位于油井顶端开口处的一个组件。它将来自井下的生产管道与出油管连接在一起，同时作为油井顶端和外部环境隔绝开的重要屏障。原称十字树、X型树或者圣诞树。
随便看	fourth law for powers Fourth Master of Chosun Dynasty fourth mathematical theorem of quantum mechanics Fourth National Congress of Chinese Nationalist Party Fourth National Congress of Communist Party of China fourth normal form fourth normal form, 4NF Fourth party logistics，4PL Fourth Plenary Session of Nineteenth CPC Central Committee Fourth Plenary Session of Sixth CPC Central Committee Fourth Plenary Session of Thirteenth Central Committee of CPC fourth proportional fourth quadrant Four Three Plan fourth ring isomorphism theorem fourth sound Fourth Summit of the Conference on Interaction and Confidence Building Measures in Asia fourth term of proportion fourth wall four tonal categories four tonal categories of the old Chinese four tones and eight kinds of phonological errors Four Tones and Rhymes of Ancient Chinese four towns of Ming and Qing dynasties four transverse crease

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