·2,447,543篇论文数据，部分数据来源于NoteExpress
Maritime safety agencies mandated key improvements: single-hulled tankers are finally on their way out, and some places, like the Alaskan town of Valdez, have created impressive spill response teams.
海事安全部门采取了重要的改进措施：单壳船体的油轮正逐渐被淘汰，像阿拉斯加瓦尔迪兹镇这样的地方也成立了相当出众的溢油事故应急团队。
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