So the comprehensive evaluation studying of geotechnical engineering environment for metalmining is of great significance.
因此对金属矿山岩土工程环境进行综合评价研究具有重要意义。
2
As a country being abundant in coal natural resources, it is a new subject by carrying out phytoremediation technology in heavy metalmining areas.
对于我国这样一个矿业资源丰富的大国，在矿区进行水体重金属修复是一项新的课题。
3
Mobility between surface mining, underground mining, coal or metalmining sectors may be limited by differences in production technologies and licensing requirements.