论文部分内容阅读
简述了灌溉渠道的各种防渗衬砌措施,指出了这些措施对大力推行节水灌溉和对现有大中型灌区进行的改造工程,具有重大的指导意义。
The various lining impervious lining measures for irrigation channels are briefly described. It is pointed out that these measures are of great guiding significance to vigorously promote water-saving irrigation and the reconstruction of existing large and medium-sized irrigation areas.