contamination accident的用法和樣例：
例句
- No major environmental pollution accident has occurred in Tibet, and most of its major rivers and lakes are in a primordial state.
全區沒有發生過大的環境污染事故，主要江河湖泊大多仍處於原生狀態。 - Where a pollution accident occurs to fishery,the matter shall be investigated and handled by the fishery supervision and administration department.
造成漁業污染事故的，應當接受漁政監督管理機構的調查處理。
