Photo taken on March 24, 2018 shows unmanned submersible "Hailong III" to be put into the sea for a deep sea testing from the Chinese research vessel Dayang Yihao (Ocean No. 1). The submersible completed a 1,690-meter-deep sea testing in West Pacific Ocean, March 25, 2018. (Xinhua/Chen Hao)
China's unmanned submersible "Hailong III" completes deep sea test
Source: Xinhua| 2018-03-25 20:18:49|Editor: Mengjie
KEY WORDS:submersible
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