• Noise is a kind of environmental pollution.

    噪声环境污染

    dict.cnki.net

  • Environmental noise pollution is the "invisible killer" to man' s health.

    环境噪声污染人体生命健康的“无形杀手”。

    dict.cnki.net

  • Jet noise is very common, and it is the most important source of environmental pollution.

    喷注噪声一种常见噪声环境噪声污染重要祸源

    www.dictall.com

  • Jet noise is very common, and it is the most important source of environmental pollution.

    喷注噪声一种常见噪声环境噪声污染重要祸源

    www.dictall.com

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