午夜小片|一级电影中文字幕|国产三级一区|精品久久久久久久国产性色av,国产一级黄色网,久久久久久久久久福利,久草超碰

Experts have asked local residents to boil tap water before they drink it despite the fact that major quality indices are up to the national standard for drinking water, City Herald reports.

To remove some harmful substances, tap water plants have added disinfectants into the water. So residents should never drink water unboiled, they said.

Three million tons of tap water is consumed daily on average during winter.

Close