| 1. | They have stydied in the necessity and feasibility on the using municipal wastewater in agriculture and forestry industry , given the possibility technique route in agriculture irrigation using municipal wastewater , and analysed the problem that may happen 探讨了在农林业利用城市污水资源的必要性与可行性,提出了城市污水用于农业灌概的可行性技术路线,并对此可能产生的问题作了分析。 |