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主井 [zhǔ jǐng]
[矿业] main shaft
- 结合具体施工条件，对主井箕斗装载硐室施工方案进行了分析，选择了适宜的施工方案。
This paper associates with specific construction condition, analyses the construction scheme for main shaft pan loading chamber, and chooses proper construction scheme. - 五沟煤矿主井井筒冻结段外壁多处出现剥裂现象，本文对此进行了原因分析，并介绍了处理方案。
In accordance of the phenomenon of many ectotheca desquamations on freezing parts of main shaft in Wugou Mine, the paper analyses the causes and introduces dealing methods. - 在总结曲江主井和沿沟副立井安装经验的基础上，提出了立井井筒安装的几个关键问题以供参考。
On the basis of experience on installation of Qujiang main shaft and auxiliary vertical shafts, the author attaches importance to some keys to the installation of vertical shafts.
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