蓝恋香
幼苗
共回答了13个问题采纳率:69.2% 举报
The content of the design is flat Riverview County limestone I mine 5,000,000 tons annual production capacity of mining; introduced Depression Riverview open pit geological and hydrological conditions of the mining area,as well as to determine the realm of depression and open-pit mining open-pit mine Open-pit ultimate edge help the constituent elements; and then choose to open up transport program in accordance with the impact of factors,made the initial deposit to open up transportation programs,transportation to explore the technical,economic and compare,and choose to open up transport program to identify mineral deposits; and to identify the use of blasting bench blasting program; final calculation of economic indicators of mine to carry out technical and economic evaluation of mining."
1年前
7