Columbus' accomplishment, once accepted, enabled mankind to use the existing skills of seacraft for vastly greater undertakings.

哥伦布的业绩接受，就使人类能利用现有的航海技术从事伟大的事业。

With three thousand-ton-level ports, Binhai port is the second class open port and seacraft can directly sail to Dalian, Qindao and Shanghai.

拥有3座千吨级码头的滨海港是类开放口岸，大型海轮可直航大连、青岛、上海。