他们承诺查处任何可能受这种有毒化学品污染的其他产品。
They're promising to trace any other products that might have been tainted by the toxic chemical.
其中有毒化学品的泄漏事故是发生频率较高的一种突发性污染事故。
Of which the leakage accident of toxic chemicals is a sudden high frequency pollution incident.
化工厂一旦发生突发泄漏事故，往往会使有毒化学品大量外泄，造成严重的的环境污染。
If leak accidents once occur in chemical plants, a great lot of noxious chemical will be discharged to the environment, and it causes serious environmental pollution.
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