And optimum formula was obtained.Influence of hollow micro glass bead and emulsions on reflectivity was discussed.And comparison tests of perform...是什么意思_And optimum formula was obtained.Influence of hollow micro glass bead and emulsions on reflectivity was discussed.And comparison tests of perform...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句