单词 | permanent-completion packer |
释义 | permanent-completion packer [`pǝr·mǝ·nǝnt kǝm¦plē·shǝn ´pak·ǝr] PETROLEUM ENGINEERING A packer able to withstand large pressure differentials to allow for its permanent installation in a producing well. |
随便看 |
|
科学参考收录了103327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。