On an average day there are around 100 ocean - going ships working in the port ; some 600 river trade craft entering or leaving the port ; and many river ferries and local craft working in or passing through the harbour 平均计算，每天在港口内作业的远洋船约有100艘，进出港口的内河船约600航次。每天在港内作业和通过海港的内河渡轮和本地船艇数目也甚多。
