国产精品永久免费视频- 无码精品A∨在线观看中文 -热re99久久精品国产99热-国产成人久久777777

Home

High levels of benzene found in water supply

Updated: 2014-04-12 07:52 (Xinhua)
Comments

High levels of benzene found in water supply
Residents queue up to get safe water supplied by the government in Lanzhou, Gansu province on Friday after the city's tap water was found to be polluted by benzene, a toxic cancer-causing chemical. [Photo/Xinhua] 

 

Most Popular
...