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

哥伦布的业绩一旦被接，人类能利用现有的航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座千吨级码头的是国家二类开放口岸，大型轮可直航大连、青岛、上。