介绍了一种钻井用新型泥浆泵—7 N B泥浆泵的结构特点、工作机理和研究情况等。
In this paper, the structure and working principle of the new drilling mud bump-7NB mud bump were introduced.
文章介绍一种钻井用新型泥浆泵—7 N B泥浆泵的结构、工作机理等。
In this paper, the structure and working mechanism of 7nb mud pump-a new mud pump for drilling are presented.
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