短語詞組短語technical l reconstruction 技術改造technical reconstruction evaluation 技改評價executing technical reconstruction 實施技術改造energy saving technical reconstruction 節(jié)能技術改造Technical reconstruction measures 技改措施numerical control technical reconstruction 數控改造overall technical reconstruction 全面技術改造mine technical reconstruction 礦井技術改造Orientation of technical reconstruction 技術改造方向 返回 technical reconstruction