国产一级免费电影,国产自产在线视频一区,国产一区亚洲,久久国产精品视频,日本美女天天操b,九色激情,成年轻人网站色直接看

China's unmanned submersible Qianlong III makes first dive into sea

Source: Xinhua| 2018-04-20 19:17:56|Editor: Yamei
Video PlayerClose

CHINA-UNMANNED SUBMERSIBLE-QIANLONG Ⅲ  (CN)

China's unmanned submersible Qianlong III ascends from its first dive back to the Chinese research vessel Dayang Yihao (Ocean No. 1), on April 20, 2018. The submersible entered the 3,955-meter-deep sea area and traveled 24.8 km. (Xinhua/Liu Shiping)

   Prev 1 2 3 4 5  

KEY WORDS: Qianlong III
EXPLORE XINHUANET
010020070750000000000000011103261371254741