combination string – phrases

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Terms containing combination string | all forms | in specified order only

Subject	English	Chinese
oil	combination casing string	组合式套管柱
oil	combination casing string	复合式套管柱
oil	combination string	复合管柱
oil	combination string	复合钻柱
tech.	combination string	不同直径或不同壁厚组成的钻杆
dril.	combination string	复合套管柱
tech.	combination string	复式套管