网站首页  情感咨询  情感美文  情感百科  情感生活  学习充电  旧版美文

请输入您要查询的词汇:

 

词汇 Underhand stope
分类 英语词汇 英语翻译词典
释义

Underhand stope

英语百科

Stoping

Sketch painting of miners stoping at the Burra Burra Mine, Burra, Australia, 1847.
Stoping with an air drill in an American iron mine in the 20th century (museum exhibit)
A large stope in a salt mine in Poland - now converted into a tourist attraction
A large stope in the Treadwell gold mine, Alaska, USA 1908; an example of shrinkage stoping

Stoping is the process of extracting the desired ore or other mineral from an underground mine, leaving behind an open space known as a stope. Stoping is used when the country rock is sufficiently strong not to collapse into the stope, although in most cases artificial support is also provided.

随便看

 

依恋情感网英汉例句词典收录3870147条英语例句词条,基本涵盖了全部常用英语单词的释义及例句,是英语学习的有利工具。

 

Copyright © 2004-2024 Yiyi18.com All Rights Reserved
京ICP备2021023879号 更新时间:2025/8/29 15:08:05