污染事件 meaning in Chinese

pollution incident

A survey on an accident of mercury pollution in a high school
某中学汞污染事件的调查
The pollution event of gold ore in romania
罗马尼亚金矿氰化物污染事件
Developing environmental risk assessment to prevent sporadic pollution accidents
开展环境风险评价防范突发污染事件
Revelation of transnational environmental pollution event to treatment of songhua river contamination
跨国界污染案例对处理松花江污染事件的启示

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