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hydraulic expansion packer
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hydraulic expansion packer
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hydraulic expansion packer
水力扩张式封隔器
通过使胶筒内部压力大于外部压力(即使油管压力大于套管压力)而扩张,封隔油、套管环形空间的封隔器。
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pseudoconcavity
pseudo-conformal
pseudo-conformal geometry
pseudo-conformally equivalent set
pseudo-conformal mapping
pseudo-conformal transformation
pseudo-conical map projection
pseudoconic projection
pseudoconjugant
pseudo-conjugate function
pseudoconjugation
pseudo-conserved quantity
pseudo-continuous function
pseudocontinuum
pseudo-contractive
pseudo-convergence
pseudoconvex
pseudoconvex domain
pseudoconvex function
pseudoconvexity
pseudoconvex manifold
pseudoconvex set
pseudoconvex space
pseudo-coordinate
pseudocopulation
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