The preparation,microstructure,compressive properties and thermal stability of the glass bead reinforced rigid polyurethane foams(PUR/GB) are studied.是什么意思_The preparation,microstructure,compressive properties and thermal stability of the glass bead reinforced rigid polyurethane foams(PUR/GB) are studied.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句