On January 25, Chinese Navy sea ice No. 721 ice breaker, underwent three days of navigation to arrive at the Yellow Sea north sea area to carry on the ice sentiment investigation. This is navy ice adjusts the team 74th time to arrive at this sea area survey sea ice essential factor and water features, for the Chinese ocean development, the sea scientific research, the sea production, the sea transportation, the navigation security and so on provided the first material. Sea ice No. 721 ice breaker uses the manganese steel construction, the ship bow A thickness of slab amounts to 24 millimeters, generally the ships have 12 millimeters. Its biggest impact can break 1 meter thick ice. Zhongxin News Agency sends Zhang Leishe
The chart opens the ice layer for the Chinese Navy ice breaker No. 721 plow. Zhongxin News Agency sends Zhang Leishe
The chart for giant lotus Ye Bing and grey ice piece influence freighter and fishing boat navigates. Zhongxin News Agency sends Zhang Leishe
(Origin: China News)
(This article originates: China News) 
