海运在一个国家的对外贸易中占有很重要的地位。在改革开放之初 ,中国港口的发展面临巨大的压力。７０年代中国港口面临三压 ,压船、压港、压货。为了保障中国贸易的顺利发展 ,中国政府把解决包括港口建设在内的交通运输发展作为重点产业予以支持。１９８０～２０００年是中国 Maritime transport occupies a very important position in the foreign trade of a country. At the beginning of the reform and opening up, the development of China’s ports is under tremendous pressure. 70 years China’s ports are facing three pressure, pressure vessels, pressure Hong Kong, Yahuo. In order to ensure the smooth development of China’s trade, the Chinese government supports the development of transportation as a key industry, including port construction. 1980 ~ 2000 is China