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In addition to being heavier than normal completion components, the wall of a blast joint is often treated to resist the jetting action that may result in the proximity of the perforations.
防冲蚀短管除了壁厚大于正常完井部件外，其管壁通常经过处理，以阻止冲蚀作用的发生，因而不会引起射孔孔眼的接近。
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