危险性物质 ... Hazard symbol: flammable F, 易燃性物质 Hazard symbol: explosive E, 爆炸性物质 Hazard symbol: environmental hazard N, 有害环境物质 ...
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国家鼓励和支持生产、使用优质燃料油，采取措施减少燃料油中有害物质对大气环境的污染。
The State encourages and supports the production and consumption of superior fuel oil, and takes measures to reduce the pollution of atmospheric environment by harmful substances in the fuel oil.
居住环境空气要保持清新、自然，防止各种有害气体和物质的深度超标。
The air should be kept fresh and natural avoiding various exceeding harmful gases and materials.
当废弃的船只被拆除时，船只包含的有害物质就会释放到环境中。
Ships no longer in use contain dangerous materials which can be released into the environment when they are taken apart.
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