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 the main irrigation

Yellow River basin dams on drainage basin is been flooded salt basin disaster more severe floods that occurred in the watershed dams was largely due the large dams drainage works drainage effect irrigation areas is poor or drainage facilities are shut down, and this document describes the status of

The Weihe River basin is on the Huanghe River valley the waterlogging salt alkaloid disaster quite serious basin, the reason which the Weihe River basin waterlogging disaster occurs mainly is because the Weihe River each big irrigation area dewatering excavation draining water effect is bad or the d

Waterlogging on saline-alkali in the Yellow River basin in Weihe River basin watershed of more serious disaster, causes of waterlogging disasters in Weihe River basin is mainly due to the effect of major irrigation and drainage project of Weihe River drainage is poor or drainage facilities in the st

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