打坝 meaning in Chinese

construct a dam

( 5 ) the maximum water level risen by the enclose tideland cultivation around the reservoir is 0 . 66m , the responding quality is 2000mvs , which heavily effect the environment around the reservoir . the reservoir " s water level is risen because cross section and flood canal become narrow , which caused by building dam , this makes groundwater unsmooth , drainage , even flow from a lower to a higher space and soil salinized
66m ，且为2000m ’儿的常年洪水，对库区周边环境的影响较大，因打坝筑堤缩小过水断面和行洪通道造成水库水位进一步抬升，致使库区周边灌区地下水排水不畅，乃至倒灌，型成士地盐碱化。