中新网国内新闻: “蛟龙”号预计7月乘新母船重返马里亚纳海沟

中新网国内新闻

"蛟龙"号预计7月乘新母船重返马里亚纳海沟 Feb 15th 2019, 01:59 　　"蛟龙"号预计7月乘新母船重返马里亚纳海沟

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