1. Thousands of people helped to clean the beaches polluted by the black oil. 
   数以千计的人帮助清理被石油污染的海滩。
2. Oil-polluted water and oil mixtures from offshore oil rigs, drilling platforms and oil extraction platforms may not be directly discharged into the sea. 
   海洋石油钻井船、钻井平台和采油平台的含油污水和油性混合物，不得直接排放；
3. Offshore oil rigs, drilling platforms and oil extraction platforms may not dispose oil-polluted industrial wastes into the sea. 
   海洋石油钻井船、钻井平台和采油平台不得向海域处置含油的工业垃圾。
4. This equipment can help dispose of 3.7 million tons of oil-polluted water from vessels and recover 42,000 tons of waste oil a year. 
   每年处理船舶含油污水370万吨，回收废油4.2万吨。
5. biology of polluted water 
   污水生物学

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