请输入您要查询的英文单词:

 

单词 upstoop
释义 ˈupstoop Mining.
(See quots.)
1883Gresley Gloss. Coal-mining 269 When a heading is driven to a point at which another should be put in or meet it at right angles.., the first-named heading is called up-stoop.1886J. Barrowman Sc. Mining Terms 69 A working room is up stoop or in stoop when its length is equal to the side of the pillar to be formed.
随便看

 

英语词典包含277258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:2025/1/31 7:02:38