三门江大桥主梁采用分离式单箱双室结构。
The beam of Sanmenjiang bridge is the discrete simple-box double-cell girder.
柳州三门江大桥主桥为双塔、双索面、三跨部分斜拉预应力混凝土箱梁桥。
The main bridge of Sanmenjiang Bridge in Liuzhou is a 3-span partial cable-stayed prestressed concrete box beam bridge with two pylons and double cable planes.
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