regradation वाक्य
"regradation" हिंदी में regradation in a sentenceउदाहरण वाक्य
- The carrying capacity of water resources and water environment in yellow river basin is faced with a huge challenge , such as vegetation destruction , water and soil erosion , riverbed run - up , watercourse shrinkage , water shortage , frequency breakage flow , severity pollution , water quality deterioration , trace to the source and sendiment , coast erosion and regradation