A supplied image obtained Tuesday, April 26, 2016 of French submarine, Shortfin Barracuda, designed by the DCNS group (AAP) Source: AAP 这一决定经过了一连串具竞争性的评估过程 ...
BEIJING, Oct. 13 (Xinhua) -- China's first independently developed and independently built ultra-deepwater gas field, Shenhai Yihao, also known as Deep Sea No.1, has recorded an accumulated natural ...