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Photo shows China's first domestically-built polar research vessel and icebreaker "Xuelong 2" in Shanghai, east China, Sept. 10, 2018. "Xuelong 2" was launched on Monday in Shanghai. (Xinhua/Liu Shiping)
China's first domestically-built polar research vessel and icebreaker "Xuelong 2" launched in Shanghai
Source: Xinhua| 2018-09-10 22:00:53|Editor: Liangyu
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