“hristmas tree / production tree”的概念、定义、翻译、参考文献-科学参考

单词	hristmas tree / production tree
释义	hristmas tree / production tree Encyclopedia 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	universally measurable set universally optimum programming universally submersive morphism universally valid formula universal machine Universal Machine Readable Catalogue Format universal manifold universal manometer universal mapping universal mapping property universal meter universal method universal method of photogrammetric mapping universal metric space universal mill universal mobile telecommunications system universal model universal morphism universal motor universal multiple-octet coded character set universal multiple-octet coded character set, UCS Universal Natural History and Theory of the Heavens universal negative proposition Universal Negro Improvement Association and African Communities League universalness

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