combination string – phrases

Sign in | English | Terms of Use

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

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