摘要
对提升斜井井筒内各项费用的构成进行了分析,提出了用数学分析法求解斜井经济角度的思路。
The constitution of various expenses inside of slope shaft has been analyzed.The line of thinking of mathematic analysis for solving the problem of slope′s economic angle is provided and the formulae concerned are given in this paper.
出处
《山西煤炭》
1997年第2期6-9,共4页
Shanxi Coal
关键词
斜井
经济角度
费用构成
数学分析法
矿井
economic angle of slope
constitution of expenses
solving process