摘要
通过精度分析。
This paper expounds the feasibility and the out come precision near shaft network of west ventilation shaft in Xinji Coal Mine according to precision analysis and field observation.
出处
《煤炭技术》
CAS
2003年第6期104-105,共2页
Coal Technology
关键词
精度分析
外业观测
风井
井网
可行性
平差计算
矿井
network layout
precision analysis
field observ ation
balancing calculation
