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repair the oil well casing by bulged
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repair the oil well casing by bulged
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工学
修复油井套管
释
repair the oil well casing by bulged
套管胀修
依靠钻具自身的重量或下击,迫使下部梨形胀管器的锥形头部楔入变形套管部位进行挤胀,以恢复其内通径要求尺寸的作业。
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photonegative effect
photon entanglement
photonephelometer
photoneutrino
photoneutrino process
photoneutrino processes
photoneutron
photon fluctuation
photon flux
photon gas
photon gas thermodynamics
photonic analog-to-digital conversion
photonic band gap
photonic bandgap structure
photonic chemistry
photonic crystal
photonic crystal cavity
photonic crystal fiber
photonic-crystal fiber
photonic crystal microcavity laser
photonic crystal-packed capillary electrokinetic chromatography
photonic crystal sensor
photonic crystal waveguide
photonic-crystal waveguide
photonic density of states
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