China adds new vessel to ocean scientific research

原标题：China adds new vessel to ocean scientific research

Staff members adjust and test equipment of the new ocean scientific research ship Haiyang Dizhi-7 in Weihai City, east China's Shandon Province, Dec. 19, 2020. Haiyang Dizhi-7, delivered on Saturday in Weihai, is added to the research vessels of China Geological Survey. (Photo by Zhang Jingang/Guangming Picture)

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原文链接: China adds new vessel to ocean scientific research http://www.shhpp.com/newsview35553.html