The dredger is one of major facilities in the fields of channel dredge, hydro project, prevent or control flood, ocean development, seaport construction etc.
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。
It is an import question for study that how to set the emphases riverbank prevent flood project system in reason in the lower reach of the Yellow river.
如何合理布置重点防洪工程体系是下游河道治理的重要研究课题。
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