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漂浮接箍
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漂浮接箍
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套管程序
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floating coupling
漂浮接箍
应用于水平井和大位移井固井,以增加套管柱的浮力、降低下套管的阻力,实现套管顺利下入的工具。
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soil consolidation
soil contaminant
soil contaminant transport
soil control section
soil coordination-dissociation equilibrium
soil core microcosm
soil corrosion
soil cover
soil-covered works
soil-covering land reclamation
soil crumb structure
soil culture
soil culture experiment
soil database
soil deformation
soil deformation during artificial freezing-thawing process
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soil dielectric constant
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