矿井水水质评价
mine water quality assessment
水井、井水及废水
Wells and well water and waste water
3国际防止生活污水污染证书
International Sewage Pollution Prevention Certificate 1973 197
防止船舶生活污水污染规则
Regulations for Preventing Pollution by Sewage from Ships
国际防止污水污染证书
International Sewage Pollution Prevention Certificate {= ISPP Certificate
医疗废物和污水污染
medical waste and medical wastewater pollution
低温矿井水
low temperature mine water
高铁高锰矿井水
mine water with high concentration of iron and manganese
高铁锰矿井水
mine water with high iron and manganese content
含矿污水处理
treatment of breeze-containing wastewater
孔隙充水矿井
mine with pore water yield