Die swell of extrudate indicated that the relaxation rate of Sn-coupled SSBR compound was faster and the die swell was less obvious than that of ESBR.是什么意思_Die swell of extrudate indicated that the relaxation rate of Sn-coupled SSBR compound was faster and the die swell was less obvious than that of ESBR.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句