品牌香水是真正的和完全的自然和安全的香水，免受有害的化学成分和有毒合成。
Brand perfumes are genuine and completely natural and safe fragrances, free from harmful chemical ingredients and toxic synthetics.
在煤气生产过程中排出大量有毒有害污水，其水量大、成分复杂、浓度高，是一种很难处理的工业污水。
The large quantity of toxic and harmful sewage with complex components and high density, which is discharged in the course of the coal gas production, is a kind of hard-treated industrial sewage.
电子废弃物种类繁多、成分复杂，含有多种有毒、有害物质，已成为固体废物中最大的重金属污染源。
Electronic waste contains different kinds, components and poisonous substances; it has become the largest pollution source of heavy metal in the solid waste.
电子废弃物种类繁多、成分复杂，含有多种有毒、有害物质，已成为固体废物中最大的重金属污染源。
Electronic waste contains different kinds, components and poisonous substances; it has become the largest pollution source of heavy metal in the solid waste.
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