surface mine drainage

基本解释

Mine tailings give rise to acid drainage and heavy metals which pollute ground water, surface water and dest ecological environment.
矿山尾矿由于产生大量酸性排水和释放重金属，污染地下水和地表水，破坏生态环境而成为人们关注的焦点。
At present, the technique of coal-bed methane surface mine and gas drainage was mature, so it was feasible for coal-bed methane development and utilization in Sichuan Province.
目前国内外煤层气地面开采技术、井下瓦斯抽放技术均已成熟，四川煤层气开发利用是可行的。
Deposing of fly ash is in a great degree connected with development of high salinity mine drainage water, at the same time it decreases the contamination load carried away to the surface waters.
大规模的粉煤灰的充填会产生高碱性的矿山废水，与此同时，它也减少流向地表水系的废水中的污染负荷。