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循环阀
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循环阀
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circulating sub
循环阀
在测试结束后,可为环空和管柱之间建立循环通道,用于替出管柱中的地层流体和循环压井作业的阀门。
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Centre of Latin American Studies,University of Cambridge
centre of mass
centre-of-mass system
centre of moment
Centre Party
centre symmetrical figure
centre-tapped
centric
centrical
centric fusion
centricity
centric perspective
centric preparation TLC
centric-preparation TLC
centric split
centric structure
centrifugal
centrifugal acceleration
centrifugal barrier
centrifugal casting
centrifugal casting safety
centrifugal compressor
centrifugal contactor
centrifugal enamelling
centrifugal extractor
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