
U.S. Department of Energy Deputy Secretary Elizabeth Sherwood-Randall makes a speech at Microsoft China Center in Beijing April 14, 2015. REUTERS/Kim Kyung-Hoon
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U.S. Department of Energy Deputy Secretary Elizabeth Sherwood-Randall makes a speech at Microsoft China Center in Beijing April 14, 2015. REUTERS/Kim Kyung-Hoon
정영선 기자
gukjenews@hanmail.net