channel dredging meaning in Chinese

航道疏浚
河道疏浚工程
河渠疏浚
挖航道

The influence of the channel dredging and improvement on the dongping waterway in the pearl river delta
北盘江坝油滩河段整治流量与整治线宽度的研究
The resistance coefficient of the river , the scale affect of the rigid bed model , and the rule of channel dredging are also discussed in order to obtain the reliable conclusion
对河床的阻力系数、定床模型试验的比尺效应以及电厂下。游清挖原则进一步研究，以期给出较明确的结论。
2 the 1 - d hydraulics computational method and 2 - d shallow water equation are employed to simulate the processing of channel dredging in tai ping wan hydroelectric power plant . the results of model tests and numerical analysis are combined and compared each other
采用一维水力学计算方法和二维浅水方程对大平湾电厂尾水河道开挖工程进行数值模拟，从而使模型试验和数值模拟结合起来，相互比较。
The dredger is one of major facilities in the fields of channel dredge , hydro project , prevent or control flood , ocean development , seaport construction etc . at present , the management maintenance methods of dredger are primary time based maintenance and run - to - breakdown maintenance
挖泥船是航道疏浚与整治、水利工程、防洪抢险、海洋开发及海港建设的主要工具。目前对挖泥船管理维修的方法主要有定期维修和事后维修。