There are two criteria,the change of relative dynamic elastic modulus(RDM) and the mass change,for evaluating the frost resistance of concrete.是什么意思_There are two criteria,the change of relative dynamic elastic modulus(RDM) and the mass change,for evaluating the frost resistance of concrete.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句