New regulations should be issued to control the discharge of pollutants;

制订新法规来控制污染物的排放；

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The discharge of pollutants has been strictly controlled in its production.

在生产中严格控制污染场排放。

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The patient's mouth and nasal discharge of pollutants should be dealt with promptly.

病人的口鼻腔分泌物及污染物应及时处理。

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And they sometimes provide an informal whistle-blowing channel where a blatant abuse of workers' rights or an excessive discharge of pollutants is taking place.

ECONOMIST: Company goods

Groundwater is polluted due to poor land practices, atmospheric deposition of pollutants and direct discharge of sewage into water bodies.

FORBES: Emerging Asia Hits a Wall of Water