Canal system planning is one of the important tasks in rehabilitation, corollary and water-saving reform planning of large-sized irrigation districts.
渠系规划是大型灌区续建配套与节水改造规划的重要内容。
Water saving techniques include spray irrigation, micro irrigation, channel leakage prevention, low pressure pipe transport of water, reform of field irrigation, and so on.
节水技术包括：喷灌、微灌、渠道防渗、低压管道输水、田间灌水技术改进等。
During the Tenth Five-Year period, favorable economic benefits, water-saving benefits and disaster-mitigation effects have been acquired in large-sized irrigation and drainage project reform in China.
“十五”期间，我国大型灌区灌排系统工程改造取得了良好的经济效益、节水效益和减灾效益，成果十分显著。
During the Tenth Five-Year period, favorable economic benefits, water-saving benefits and disaster-mitigation effects have been acquired in large-sized irrigation and drainage project reform in China.
“十五”期间，我国大型灌区灌排系统工程改造取得了良好的经济效益、节水效益和减灾效益，成果十分显著。
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