So the comprehensive evaluation studying of geotechnical engineering environment for metal mining 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。
Mobility between surface mining, underground mining, coal or metal mining sectors may be limited by differences in production technologies and licensing requirements.
表面开采，地下开采，煤或金属采矿行业之间的流动性可能会因生产技术和许可要求的差异而受限制。
The heavy metal contamination of urban soil in China is caused by industrial pollutant discharge, metal mining and smelting, family coal combustion, rubbish exudation and vehicle emission.
中国城市土壤重金属污染的主要来源是工业“三废”排放，金属采矿和冶炼，家庭燃煤，生活垃圾，汽车尾气排放。
The heavy metal contamination of urban soil in China is caused by industrial pollutant discharge, metal mining and smelting, family coal combustion, rubbish exudation and vehicle emission.
中国城市土壤重金属污染的主要来源是工业“三废”排放，金属采矿和冶炼，家庭燃煤，生活垃圾，汽车尾气排放。
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