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阀式连续循环钻井系统
释义
阀式连续循环钻井系统
Encyclopedia
工学
控压钻井
释
continuous circulation valve—CCV
阀式连续循环钻井系统
地面控制系统与接在钻杆上的连续循环阀联合作用,实现在接单根期间钻井液循环通道的切换,进而保持井下钻井液连续循环的特殊钻井作业设备组合。
随便看
differential subsheaf
differential substitution
differential system
differential theorem
differential thermal analysis
differential thermal analysis and thermal gravimetric analysis
differential thermal analysis (DTA)
differential thermal analysis, DTA
differential thermal resistance law
differential threshold
differential throttle effect
differential-topological method
differential topology
differential transformer
differential transformer sensor
differential twisted pair
differential type
differential type detector
differential using frequency modulation data link
differential using medium frequency data link
differential variable
differential-variational principles
differential visibility
differential VLBI astrometry technique
differential voltage signal
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更新时间:2026/9/22 11:02:17