Therefore, the research on adaptability of present highway bridge vehicle design load is needed to service the revision of the standard.
因此要研究公路桥梁设计汽车荷载的适应性,为修编汽车荷载标准服务。
Therefore, the research on adaptability of present highway bridge vehicle design load is needed to service the revision of the standard.
因此要研究公路桥梁设计汽车荷载的适应性,为修编汽车荷载标准服务。
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