水利工程效益 meaning in Chinese
benefit of water project
Examples
- Canal lining project have been suffered from freeze for a long time at ningxia irrigation area and cause some serious results . a great deal of capital has been spent in convinence and rebulid of old canal lining every year , it affects badly positive benefit of hydraulic project and delays the development speed of irrigation area
长期以来，宁夏灌区渠道衬砌工程一直受冻胀危害，使得渠道衬砌发展不快，每年大量资金都用在原有衬砌渠道的维修改造上，不仅严重影响了水利工程效益的发挥，而且大大地影响了灌区的发展。