针对门机大梁以上特点，对梁体模板设计、混凝土浇筑振捣、梁体张拉施工技术难点进行了深入研究。
As to the above characteristics of the gantry crane, the further study has been made for formwork design, concreting and vibrating and girder in tension.
针对门机大梁以上特点，对梁体模板设计、混凝土浇筑振捣、梁体张拉施工技术难点进行了深入研究。
As to the above characteristics of the gantry crane, the further study has been made for formwork design, concreting and vibrating and girder in tension.
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