• Land Resource Survey is a national integrated investigation and evaluation engineering, and it is a basic, public welfare and strategic work.

    国土资源调查国家一项基础性公益性战略性综合调查评价工程

    youdao

  • Land Resource Survey is a national integrated investigation and evaluation engineering, and it is a basic, public welfare and strategic work.

    国土资源调查国家一项基础性公益性战略性综合调查评价工程

    youdao

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