“奋斗者”号海试保障母船“探索二号”返回三亚 马里亚纳海沟万米海试顺利收官

2020-12-22 09:20新华网责任编辑:沈鹏

1608600019 http://www.cankaoxiaoxi.com/photo/20201221/2427605.shtml http://upload.cankaoxiaoxi.com/2020/1221/1608513301150.jpg