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该驳船是全焊接钢结构。
The barge is all welded steel construction.
youdao
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钢结构吊装至屋顶后，焊接在结构上。
The steel structure, after being lifted to the roof shall be welded on the structure.
youdao
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钢结构吊装至屋顶后，焊接在结构上。
The steel structure, after being lifted to the roof shall be welded on the structure.
youdao