求翻译：渭河流域是黄河流域上内涝盐碱灾害比较严重的流域，渭河流域内涝灾害的发生的原因主要是由于渭河各大灌区排水工程排水效果较差或者排水设施处于停运状态，本文描述了各主要灌区排水设施现状及出现问题所在。是什么意思？

Weihe River is more serious waterlogging salinization hazards in the Yellow River Basin watershed, the Weihe River waterlogging disasters mainly due to poor drainage due to the Weihe major Irrigation Drainage Works or drainage facilities in the outage state, this paper describes a major irrigation a

Yellow River basin dams on drainage basin is been flooded salt basin disaster more severe floods in the watershed, and the foresight of foresight was largely due to the terrain drainage works drainage effect is poor or drainage facilities are shut down, this article describes the major drainage and

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