The central suspension beam is always in axis with the front pier. 中間吊架總是在前墩柱中心線(xiàn)處。
The main suspension gallows consist of a steel box beam, sitting on hydraulic jacks that support all the structure during concreting. 主吊架有一鋼箱梁組成，坐落在液壓千斤頂上，在澆注混凝土過(guò)程中支撐所有結構。
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