英语词汇“hook-wall packer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	hook-wall packer
释义	hook-wall packer hook-wall packer [′hu̇k ‚wȯl ‚pak·ər] (petroleum engineering) Fluid-proof seal between the outside of oil well tubing and the inside of the casing; hooks hold it in place.
随便看	pedal ganglion pedal gland pedaliacae pedaliaceae pedalian pedalier pedaling pedality pedalium family pedal keyboard pedalled pedaller pedallers pedal line pedalling pedal note pedalo pedal-operated keyboard pedal organ pedal osteitis pedal piano pedal point pedal position sensor pedal power association pedal-powered vehicle

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。