向空中排放含硫磺废气或者向海洋里倾泻含辐射废水表面上是处理不需要的副产品最容易和最便宜的方法。
Releasing sulfurous fumes into the air or dumping radioactive water into the ocean is ostensibly the easiest and cheapest way to deal with unwanted byproducts.
煤炭开采过程中对环境的主要影响有地表塌陷破坏和废石、废水、废气的排放。
Surface subsidence and the discharge of refuse, wastewater and waste gas constitute the main impact of coal mining on the environment.
无任何废气、废水、废渣排放，绝对环保。
Does not have any waste gas, the waste water, the waste residue discharge, absolute environmental protection.
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