“keyseat reamer”的概念、定义、翻译、参考文献-科学参考

单词	keyseat reamer
释义	keyseat reamer Encyclopedia 工学井下工具释 keyseat reamer键槽扩大器连接于钻铤上方，用于破坏井身键槽，使钻铤免于键槽卡钻的装置。又称键槽破坏器。
随便看	weak epimorphism weak equivalence weak equivalence principle weak equivalence relation weaker condition weaker convergence weaker form weaker formula weaker method weaker metric weaker norm weaker theory weaker topology weaker uniformity weakest precondition weakest topology weakest uniformity weak extension weak extremal weak extremum weak ferromagnetism weak fibration weak field weak-field condition weak field ligand

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。