auxiliary shaft

• 副井,副轴,辅助竖井

auxiliary shaft的用法和样例：

例句

1. The analysis method used in this paper isprogramed.The new program is used in the analysis of stability of the new auxiliary shaft inFankou lead-zine mine.
   文中的分析方法已被编制成程序，并用于凡口铅锌矿新副井稳定性的分析。