Perforation of the direction is a new type of perforating technology which can determine the direction under the well.
而定方位射孔技术是一种可以进行井下有方向性射孔的新型射孔工艺技术。
Perforation of the direction is a new type of perforating technology which can determine the direction under the well.
而定方位射孔技术是一种可以进行井下有方向性射孔的新型射孔工艺技术。
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