The adoption of Bailey trussed girder as the way of hoisting steel arch bridge is a better option when the support of bridge is hard to be installed or the hoisting cost is too high. ?
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释义
当桥梁支架搭设困难,缆绳吊装费用太高时,采用贝雷桁架吊装钢架拱桥就是一种较好的选择。
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