摘要
介绍了湖北三鑫金铜股份有限公司主井延深工程的几个施工特点,强调了在延深过程中提高测量精度的重要性。
several characterisic of construction in in primary well extend engineering was introduced in this arctice in Hubei Sanxin Gold-Copper limited liability company,the importance of improve guage precision was emphasized in the process of primary well extend engineering.
出处
《黄金科学技术》
2005年第1期63-66,共4页
Gold Science and Technology
关键词
竖井延深
辅助作业中段
正掘延深
反掘贯通
施工特点
erect well extend
second production level
positive dig hole extend
reverse dig hole perforation
characterisic of construction