The corrosion of edge plate of upright metal oil tank strongly influences the normal operation and safety.

立式金属油罐罐底边缘板的腐蚀严重影响油罐的正常使用和安全运行。

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By adopting the oil tanker of the invention, when a grounding accident happens, even though the shell of the metal oil tank of the oil tanker is broken, oil is not leaked.

采用本发明的油轮在发生触礁等事故时，即使油轮的金属油舱的外壳破损也不会造成油料泄漏。

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Finally there are mechanical skimmers - ideal for retrieving heavy oils - which use metal tooth discs, grab buckets and drum separators to remove the oil then pump it into a tank.

最后还有从回收重油方法改进而来的机械分离器，采用金属齿轮盘将油捞起，然后采用分离机将油分离出来放到储罐中。

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