“disk-wall packer”的概念、定义、翻译、参考文献-科学参考

单词	disk-wall packer
释义	disk-wall packer [`disk ´wȯl ´pak·ǝr] ^{PETROLEUM ENGINEERING} A disklike seal between the outside of the well tubing and the inside of the well casing; used to prevent fluid movement from the pressure differential above and below the sealing point.
随便看	abstract automata theory abstract data type abstraction abstraction reaction abstract theory abstriction abT abterminal abtesla Abt track Abukuma-type facies abulia abundance abundance ratio abundant number aburton abutment abutting joint abutting tenons abvolt abvolt per centimeter abwatt abWb abweber abyssal

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