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面向经济建设主战场，努力推广科研开发新成果白常举（北京市建筑工程研究院副院长）今年刚好是我院四十岁生日，在全国为数不多的以建筑施工技术为主的科研单位，从五十年代的国内第一台蛙夯研制成功开始，到各种型式塔吊的研制，在首都的建筑中或多或少都凝聚着我院广大...
Facing the main battlefield of economic construction and making efforts to promote new achievements in scientific research and development, Bai Changju (vice president of Beijing Institute of Construction Engineering) is just this year's 40th birthday in our hospital. As one of the few scientific research units in China that mainly focuses on construction technology, From the fifties of the first successful development of China's first ram rammer to the development of various types of tower cranes in the capital's buildings more or less condensed our hospital vast ...