“sinker bar”的概念、定义、翻译、参考文献-科学参考

单词	sinker bar
释义	sinker bar [`siŋ·kǝr ´bär] ^{MINING ENGINEERING} A short, heavy rod placed above the drill jars to increase the effect of the upward sliding jars in well-drilling with cable tools.
随便看	gantry crane gantry-type robot Gantt chart Gantt task and bonus plan Ganymede gap gap coding gap digit gape gap factor gap-filler radar gap filling gap-framepress gap-graded aggregate gap junction gap lathe gapless tape gap markers gapped tape gap scanning gap scatter gar garbage garbage collection garbage in, garbage out

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。