Abstract: Simplifying the formula in Code for Concrete Structure Design(GBJ10-89), we obtaine the appoximate formula of crack width, that is used to the beam of rectangular section in design.是什么意思_Abstract: Simplifying the formula in Code for Concrete Structure Design(GBJ10-89), we obtaine the appoximate formula of crack width, that is used to the beam of rectangular section in design.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句