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Unmanned submersible "Hailong III" is lifted out of water after a dive in West Pacific Ocean, March 25, 2018. The submersible completed a 1,690-meter-deep sea testing on Sunday. (Xinhua/Chen Hao)
China's unmanned submersible "Hailong III" completes deep sea test
Source: Xinhua| 2018-03-25 20:18:49|Editor: Mengjie
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