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

哥伦布业绩一旦被接受，就使人类能利用现有技术从事伟大事业。

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

有3座千吨级码头滨港是国家二类开放口岸，大型轮可直大连、青岛、上。