livecasinorouletteonline|China's deep-sea heavy-duty mining vehicle reaches record depth in sea trials
发布于 2个月前 (07-09) 55jlclub 阅读:(37) 评论:(0)
SHANGHAIlivecasinorouletteonline, July 9 (Xinhua) -- China's deep-sea heavy-duty mining vehicle has completed sea trials at depths exceeding 4,000 meters, the Shanghai municipal government said Tuesdaylivecasinorouletteonline.■
