The acid water in coal pit can be well controlled by adding calcium carbonate and lime.
阐述通过添加碳酸钙和石灰，可使酸性采煤坑水得到很好治理。
The phosphate rocks, sulfuric acid, lime, calcium powder, anthracite and bituminous coal may be sourced locally, with guaranteed supply of power (electricity) and water for production purpose.
项目生产所需的磷矿、硫酸、石灰、钙粉、白煤、烟煤可就近供应，电力、生产用水保障供应。
The phosphate rocks, sulfuric acid, lime, calcium powder, anthracite and bituminous coal may be sourced locally, with guaranteed supply of power (electricity) and water for production purpose.
项目生产所需的磷矿、硫酸、石灰、钙粉、白煤、烟煤可就近供应，电力、生产用水保障供应。
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