auxiliary shaft

基本解释

The paper briefly introduces the construction scheme, boring construction, freezing system and operation in auxiliary shaft of Guqiao Coal Mine.
简要介绍了顾桥煤矿副井冻结工程施工方案，钻孔施工及冻结系统安装、运行情况。
In this paper, a method to determine and calculate terminal test load is pointed out for adjusting brake rope parachute gear for cage hoisting in auxiliary shaft.
文中提出了副井罐笼提升制动绳防坠器调整时终端试验荷重的确定理论与计算方法，并结合具体实例介绍了这一方法的应用。
Through the practice of Guqiao auxiliary shaft construction, this paper discusses how to increase the shaft sinking velocity with the existing technology and equipment.
如何利用国内现有的凿井技术、凿井设备提高建井速度，本文通过对顾桥副井的建井实例进行了深入的分析探讨。