• In plains or key passages it was built very high and solid, while relatively low and narrow on high and steep mountains to reduce the cost of money and man labor.

    平原要隘之处修筑十分高大坚固高山险峻之处较为低矮狭窄节约人力和费用

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  • The paper analyzes the importance of labor transfer to the new socialist rural constructions in poor mountain areas. Based on the investigation of Dabie mountains.

    本文结合大别山区实际,分析劳动力转移对我国贫困山区农村建设意义

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  • The paper analyzes the importance of labor transfer to the new socialist rural constructions in poor mountain areas. Based on the investigation of Dabie mountains.

    本文结合大别山区实际,分析劳动力转移对我国贫困山区农村建设意义

    youdao

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