“油套环空”的概念、定义、翻译、参考文献-科学参考

单词	油套环空
释义	油套环空 Encyclopedia 工学油套环空释 casing-tubing annulus油套环空在下入生产管柱的油井井筒中，位于套管内的油管与套管之间的环形空间。
随便看	galactic pericenter Galactic plane galactic plane Galactic pole galactic pole Galactic potential galactic primary gas clouds Galactic radio astronomy galactic radio astronomy Galactic radio astrophysics galactic radio astrophysics Galactic radio emission galactic radio emission Galactic radio noise Galactic radio radiation galactic radio radiation Galactic radio spur Galactic ridge Galactic rotation galactic rotation Galactic rotation curve galactic rotation curve galactic sheet Galactic source galactic space

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。