灌溉水污染  Irrigating water pollution

灌溉污水  wastewater irrigation

国外污水灌溉新技术  New Techniques of Waste Water Treatment in Abroad

农田污水灌溉  sewage irrigation in farmland

污水灌溉的思考  Consideration on Sewage Irrigation

灌溉水水量  irrigation water quantity

灌溉水水质  irrigation water quality

3国际防止生活污水污染证书  International Sewage Pollution Prevention Certificate 1973 197

城市污水污泥  municipal sewage sludge; Sewage sludge; Municipal wastewater sludge

大连紫光凌水污水处理有限公司  dalian ziguang lingshui sewage treatment co.; Ltd.

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

化学污水污泥  chemical sewage sludge

啤酒污水、污泥  brewery sludge and water

潜水污水泵  submersible sewage pump

沈抚污水灌区  Shenfu sewage irrigated area

污灌水田  swage-irrigated paddy field

污水灌区  Sewage irrigation area

污水水量预测  WWTP influent Short-term forecasting