1)silt,淤塞2)filling silt,填料淤塞3)underground river silting,暗河淤塞4)silting of filtering bed,滤床淤塞5)silting mechanics,淤塞机理6)prophylaxis and treatment of silting,淤塞防治
用法和例句
Experiment of silt-preventing in pipe irrigation in the high lift irrigation regions of Yellow River;