A visitor consults about the temperature controling device during the Metering Europe 2010, a metering exhibition held in Vienna, capital of Austria, Sept. 22, 2010. The 3-day exhibition under the theme of "energy saving" and "smart", opened on Wednesday with the attendance of some 150 enterprises from Germany, Britain, Italy, the Netherlands, China and other countries.
Source: http://english.peopledaily.com.cn/90001/90783/91322/7148359.html
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