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泥线悬挂系统
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泥线悬挂系统
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mudline hanger system
泥线悬挂系统
安装在泥线或泥线附近用于悬挂套管重量、提供压力控制和环空通道,对安全输送海底井口油气起着密封保护作用的装置。
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first characteristic polynomial
first Chern class
First Child-Birth Ceremony
first-class current
First Collection of Rare Books from Complete Library of Four Treasuries
First Collection of Writings on Heavenly Learning
first collision probability
first-come first-served
first comparison test
first compilation
first complementary law
first component
first condensate
first contact
first cosine formula
first cosmic velocity
first countability axiom
first countable space
first countable topology
first Cousin problem
first criminal trial
first critical magnetic field
first curvature
first day cover
first day of lunar month
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