The authors participated in the calculation and evaluation and proposed measures of I-type steel beam spans, bearing in mind the principle of safety, quickness and economy.
笔者参与了这些桥梁的安全验算和评价，结合安全、快捷、经济的处理原则，提出采用“工”字钢梁跨越的处理措施。
The authors participated in the calculation and evaluation and proposed measures of I-type steel beam spans, bearing in mind the principle of safety, quickness and economy.
笔者参与了这些桥梁的安全验算和评价，结合安全、快捷、经济的处理原则，提出采用“工”字钢梁跨越的处理措施。
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