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4th Oceanology International 皇冠体育app kicks off in Shanghai
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A French exhibitor (L)introduces a versatile ship during the fourth Oceanology International 皇冠体育app in Shanghai, East 皇冠体育app, Nov 9, 2016. The fourth Oceanology International 皇冠体育app kicked off on Wednesday. Exhibitors from some 20 countries and regions brought their state-of-the-art technologies and products to the expo. [Photo/Xinhua] |