Optimization design of prestressed steel trusses not only includes the optimization of sectional dimension of the bar but also the optimization of the different schemes of steel cables and the different pretensions of steel cables.是什么意思_Optimization design of prestressed steel trusses not only includes the optimization of sectional dimension of the bar but also the optimization of the different schemes of steel cables and the different pretensions of steel cables.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句