It is placed in the formation via a fracture, frac-pack, gravel-pack, or pre - packed screen system.

它通过裂缝或预填充筛管系统放置在地层中。

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It is placed in the formation via a fracture, frac-pack, gravel-pack, or pre - packed screen system.

它通过裂缝或预填充筛管系统放置在地层中。

youdao