“键槽扩大器”的概念、定义、翻译、参考文献-科学参考

单词	键槽扩大器
释义	键槽扩大器 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	invoice criminal cases involatile involucel involucre involucrellum involucret involuntary attention involuntary client involuntary commitment and treatment involuntary movement involuntary resettlement involuntomotory involute involute conical gear involute cylindrical gear drive involute cylindrical gear reducer involute helicoid involute of a circle involute of a curve involute of evolute involute planetary reducer with small difference between the numbers of teeth involution involution algebra involutional system involution axioms

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。