“primary cementing”的概念、定义、翻译、参考文献-科学参考

单词	primary cementing
释义	primary cementing Encyclopedia 工学固井释 primary cementing常规注水泥用相关设备把配置好的水泥浆从套管内注入，从套管柱（串）底部沿环形空间上返到预定井深，以达到设计段的套管与井壁间的有效封固的方法。
随便看	magnetic tweezer magnetic tweezers magnetic twist magnetic twisting cytometry magnetic unit cell magnetic variable magnetic variometer magnetic vector magnetic vector potential magnetic vehicle magnetic vehicle guidance magnetic viscosity magnetic viscosity coefficient magnetic wave magnetic well magnetic yoke magnetism magnetism of paramagnetic substance magnetism of rock magnetism theodolite magnetite magnetizability magnetization magnetization and magnetic separation magnetization characteristic

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。