请输入您要查询的英文单词:

 

单词 θ212284
释义
society > occupation and work > equipment > piercing or boring tools > [noun] > boring tool > for boring in the ground > method of connecting boring rods and bit (1)
jar1865

A method of connecting the bit and the rods or cable in an apparatus for drilling rocks by impact, by means of which at each up-stroke a jar of…

随便看

 

英语词典包含1132095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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/24 1:39:25