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론대형리대식기중궤투자경제평개지시장경쟁력인소
On Talking Market Competitive Force Factor for Investment Economic Appraisal of Large-type Crawler Crane
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    建设机械技术与管理 건설궤계기술여관리
    TECHNOLOGY & MANAGEMENT FOR CONSTRUCTION MACHINERY
    2006年 7期 36-39 ,共4页

    李景乐%徐志刚%罗兴齐%张晓峰

    리경악%서지강%라흥제%장효봉





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