盛夏的早晨,大沽口锚地通往塘沽的主航道上,一艘艘高挂五星红旗的万吨级远洋外轮,在年轻的中国引水员的指挥下,缓缓靠上我国新建的第一座集装箱码头。这里,就是位于渤海湾西部,以人工填筑的方法兴建起来的华北最大的国际贸易港口——天津港。天津港东濒渤海,西通海河水系的五大支流。从 On the midsummer morning, a large anchorage leading to the main waterway of Tanggu, a 10,000-ton ocean-going ship with a five-star red flag hanging under the command of a young Chinese pilot, slowly leans on the first new building in our country container terminal. Here is the port of Tianjin, the largest port of international trade in northern China built by artificial filling in the west of Bohai Bay. Tianjin Port east of the Bohai Sea, the five major tributaries of the West China Sea. From