But mainly concentrates regarding this kind of bridge earlier period research in the orthogonal slant leg rigid frame bridge without abutment, regarding skew bridge fundamental research relative lag.是什么意思_But mainly concentrates regarding this kind of bridge earlier period research in the orthogonal slant leg rigid frame bridge without abutment, regarding skew bridge fundamental research relative lag.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句