Space debris are space rubbishes which were abandoned by human satellite in outer space. Environmental pollution by space debris is a special kind of environmental pollution.

空间碎片是人类发射空间实体在外空留下的太空垃圾，其造成空间环境污染是一特殊种类的环境污染问题。

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It is a kind of clean coal combustion technology for biomass combined with coal to be burned, which can effectively reduce environmental pollution, improve air quality.

生物质与煤混合燃烧技术是一种洁净燃烧技术，可以有效地减轻环境污染，改善大气质量。

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The phenolic wastewater is a kind of harmful water which we put the stress on treating in water pollution control.

含酚废水是我国水污染控制中重点解决的有害废水之一。

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