Water system changes, reclaiming farmland from lakes, etc, made a serious threat to flood and waterlogging control.

水系格局改变、围湖造田等这对于防洪除涝造成严重威胁。

youdao

Water system changes, reclaiming farmland from lakes, etc, made a serious threat to flood and waterlogging control.

水系格局改变、围湖造田等这对于防洪除涝造成严重威胁。

youdao