• Using clean mining technique in order to protect ecological environment, to keep the balance of energy resources procreation, consumption and ecology.

    为了保护好生态环境,必须采用清洁开采技术才能保持能源生产消费生态之间平衡

    www.chemyq.com

  • In order to protect the ecological environment, the clean mining technique should be used at coal mines so as to keep the balance between energy resource, consumption and ecology.

    为了保护好生态环境必须采用清洁开采技术才能保持能源生产、消费生态之间平衡

    dict.cnki.net

  • In order to protect the ecological environment, the clean mining technique should be used at coal mines so as to keep the balance between energy resource, consumption and ecology.

    为了保护好生态环境必须采用清洁开采技术才能保持能源生产、消费生态之间平衡

    dict.cnki.net

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