英语词汇“sinker bar”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	sinker bar
释义	sinker bar noun : a short bar or stem placed above the drill jars to give force to the upward jar in well drilling with cable tools
随便看	propulsive propulsive coefficient propulsor propulsory propupa propupal propygidium propyl propyla propylaea propylaeum propylate propylation propylene propylene glycol propylene oxide propylenes propylic propylidene propylite propylites propylitic propylitise propylitised propylitises

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。

sinker bar