最后结合制作加工的难易程度和经济分析等，提出了上述三类变截面支座的适用条件。
At last, the applying conditions of the abutments are suggested according to the difficult degree of manufacturing and the economy analysis.
最后结合制作加工的难易程度和经济分析等，提出了上述三类变截面支座的适用条件。
At last, the applying conditions of the abutments are suggested according to the difficult degree of manufacturing and the economy analysis.
应用推荐