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reverse circulation continuous coring
释义
reverse circulation continuous coring
Encyclopedia
理学
钻进工艺
释
reverse circulation continuous coring
反循环连续取心
采用双壁钻杆钻进,冲洗液(或空气)从双壁钻杆内外管环状间隙泵入,从钻杆内管内返出地面,同时连续不断地把岩心岩样携带至地表的取心方法。
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identifier element
identifier state
identify
identifying
identifying algorithm
identifying index
identifying line
Identifying the region and order
identities of algebras
identities of Yangian invariants
identities of Yangian-invariants
identity
identity authentication
identity authentication service
identity automorphism
identity axiom
identity based cryptography
identity-based cryptography
identity based encryption
identity-based encryption
identity-based signature
identity character
identity code
identity component
identity component of a group
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