“钻具止回阀”的概念、定义、翻译、参考文献-科学参考

单词	钻具止回阀
释义	钻具止回阀 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	shallow shaft shallow shell shallow sliding shallow syntactic parsing shallow tray fermentation shallow trench isolation shallow water constituents shallow water sediment shallow water sound channel shallow-water theory shallow water wave shallow-water waves shallow-water wave theory shallow well drilling Shall We Dance? Shaluli Shan Shalu Monastery Sham shaman dance Shaman Drum Shamanism music Shama Shiti shame Shameless Sha Meng

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。