“drill string non-return valve”的概念、定义、翻译、参考文献-科学参考

单词	drill string non-return valve
释义	drill string non-return valve Encyclopedia 工学井下工具释 drill string non-return valve钻具止回阀在内防喷系统中，连接于钻杆和钻铤间的防喷装置。
随便看	intelligent algorithm intelligent analysis methods in rock mechanics Intelligent Animal Monitoring System intelligent antenna technique intelligent assessment method intelligent back analysis intelligent biomaterials intelligent building intelligent building system intelligent bus dispatching system intelligent ceramics intelligent city Intelligent city evaluation intelligent city operational center Intelligent Community intelligent community intelligent community forum intelligent community information Kiosk intelligent complex adaptive knowledge system intelligent composites intelligent computer intelligent computing intelligent concrete intelligent connected vehicle intelligent construction

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