单词 | bridge plug |
释义 | bridge plug [`brij ´plǝg] PETROLEUM ENGINEERING A downhole tool used to isolate a lower zone while an upper section is being tested or cemented; consists of slips, a plug mandrel, and a sealing element that is run and set in casing. |
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。