One such failure that occurred in a santa fe bridge in oklahoma was found to be caused by a forge lap in the eyebar head .
俄克拉荷马州一座圣太菲桥产生的这种破坏是由于发生的眼杆头部的锻压折叠引起的。
One such failure that occurred in a santa fe bridge in oklahoma was found to be caused by a forge lap in the eyebar head .
俄克拉荷马州一座圣太菲桥产生的这种破坏是由于发生的眼杆头部的锻压折叠引起的。
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