英语词汇“pumping jack”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	pumping jack
释义	pumping jack noun : a device over a deep well for operating a pump by belt power
随便看	tote (up) tote bag tote bags tote board tote double tote road tote up tote-box toted toted (up) toted up totem totem pole totemic totemism totemisms totemist totemistic totemists totemite totemites totems toter toters totes

英语词典包含469781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。

pumping jack