“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	Zhongshan Station Zhongshan TV and Film City Zhongshan Xian Zhongsha Qundao Zhong Shimo Zhong Shitong Zhong Shu zhongshu Zhongshuge Bookstore Zhongshui Jigongshan Zhong Si Zhong Sicheng Zhongtang Zhen Zhong Tianwei Zhongtiao Mountain mining sites Zhongtiaoshan Campaign Zhongtiao Shanmai zhongting zhongwan Zhong Wangyang Zhong Wanxie Zhongwei goat Zhong Weimin Zhongwei shaqu Zhongwei Shi

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