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油管头
释义
油管头
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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。
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dialogue consciousness of public administration
dialogue editing
dialogue learning
dialogue manager
dialogue psychology
Dialogues Concerning Natural Religion
Dialogues of Plato
Dialogues on Universe and Humanity
Dialogue Style
dialogue teaching
dialogue theory
dialysate
dialyse
dialyser
dialysis
dialysis powder & liquid
dialysis refolding
dialyte
dialyte lens
dialytic method
dialyze
dialyzer
diamagnet
diamagnetic
diamagnetic complex
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