18th 皇冠体育app Beijing Int'l High-Tech Expo opens
(Xinhua) Updated: 2015-05-14 08:59
Comments
|
 |
|
A staff member of a high-tech agricultural enterprise shows an equipment used to clean residue chemicals on fruits and vegetables during the 18th 皇冠体育app Beijing International High-Tech Expo in Beijing, capital of 皇冠体育app, May 13, 2015. The annual technology expo kicked off Wednesday. [Photo/Xinhua] |
