本文结合近些年来我国北方河流出现的河床枯萎现象，分析了枯萎疏浚的基本原理及几个关键技术问题，对于目前在黄河等枯萎河道上采用疏浚防洪有一定的参考价值。
Based on the new phenomena of the shrinkage of river channels in North China, analyses of the basic principles and some key problems for dredging under shrinking conditions are presented.
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。
The dredger is one of major facilities in the fields of channel dredge, hydro project, prevent or control flood, ocean development, seaport construction etc.
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