“雪龙2”号完成首向和尾向破冰试验

2019-11-28 08:03新华网责任编辑:孙鹏

1574899380 http://www.cankaoxiaoxi.com/photo/20191128/2396490.shtml http://upload.cankaoxiaoxi.com/2019/1127/1574849797364.jpg