“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	coagulase coagulase negative staphylococcus coagulate agent coagulate bloodstain coagulated aerosol coagulated yoghurt coagulating agent coagulation coagulation analysis of drug coagulation disorder coagulation examination coagulation factor coagulation factor antagonist coagulation factor deficiency coagulation factor Ⅷ coagulation factor Ⅸ coagulation heat coagulation settling coagulation value coagulative necrosis coagulative sensitization coagulator coagulocyte coagulum Coahuila，Estado de

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