"Disease" means "an illness or medical condition, irrespective of origin or source, that presents or could present significant harm to humans".

“疾病”意指“对人类构成或可能构成严重危害的任何病症或医疗状况，无论其病因或来源如何”。

This text briefly introduced the origin of main pollutants in electroplating industry and its harm to entironment and human beings.

本文简要介绍了电镀行业主要污染物的来源及其对环境和人体的危害。

The sewage treatment plant, main origin of odor pollution, ozone fundamental component and harm, and the technique of sewage profession commonly used deodorizes were introduced.

介绍了污水处理厂恶臭污染的主要来源，臭气的基本成分及危害，污水行业常用的除臭技术；