全国解放以后,我们经历了建国初期、五十年代后期,七十年代“三年改变港口面貌”和十一届三中全会以来蓬勃发展的几期大规模的港口建设。北方港口泊位有了不少增加,吞吐量迅速增长,万吨级、五万吨级,以至十万吨级的码头一再涌现,一个个突堤,一条条“海上长虹”巍然呈现在祖国漫长的海岸之 After the liberation of the country, we experienced several large-scale port constructions that thrived since the founding of our nation, the late 1950s, the seventies, the “three-year change of port landscape” and the third plenary session of the 11th CPC Central Committee. There have been many increases in the number of berths in the northern ports and the rapid growth in throughput. The wharves of 10,000 to 50,000 tons and even of 100,000 tons have emerged again and again. One jetty and one section of “Changhong at sea” stand proudly on the long coast of the motherland It