目前水资源利用和开发上存在的主要问题有：农业输水设施不足和失修较为严重，水分利用系数低；

The major problems in utilization and exploitation of water resource are as follows: low water use coefficient due to old and disrepair water-transporting facilities;

youdao

目前水资源利用和开发上存在的主要问题有：农业输水设施不足和失修较为严重，水分利用系数低；

The major problems in utilization and exploitation of water resource are as follows: low water use coefficient due to old and disrepair water-transporting facilities;

youdao