最新高清中文字幕免费mv,国产一二级视频,亚洲成人教育av,秋霞午夜影院,婷婷69,亚洲一区国产二区,亚洲欧洲日韩国产

China's unmanned submersible "Hailong III" dives to 4,266 meters under sea

Source: Xinhua| 2018-04-05 19:28:19|Editor: Mengjie
Video PlayerClose

CHINA-UNMANNED SUBMERSIBLE-HAILONG III-DEEP WATER-TEST (CN)?

Workers prepare China's unmanned submersible "Hailong III" for a deep water test aboard its mothership Dayang Yihao, on April 4, 2018. China's unmanned submersible "Hailong III" dived 4,266 meters below the sea surface in the western Pacific Ocean late Wednesday while conducting a 4,500-meter level deep water test. (Xinhua/Chen Hao)

   Prev 1 2 3 Next  

KEY WORDS: submersible
EXPLORE XINHUANET
010020070750000000000000011100001370904671