Methods of calculating waste sanitary landfill site space in urban environmental sanitation planning 规划中城市垃圾卫生填埋场处理量的确定
2.
Study on several problems of the professional environmental sanitation planning of small cities and towns 小城镇环境卫生专业规划中若干问题的研究
3.
Individual research projects are longer papers on particular topics within the broad area of water and sanitation planning 个人研究计划是关于水和卫生规划宽广范围内特别论题的较长论文。
4.
Individual research projects are longer papers on particular topics within the broad area of water and sanitation planning 个人研究计划是关于水资源和卫生规划宽广?围内的特定议题的长篇论文。