Moreover, the sound absorption coefficient of prepared specimens with 0.4% gas former is greater that that of both specimens with 0.3% and 0.5% gas former.是什么意思_Moreover, the sound absorption coefficient of prepared specimens with 0.4% gas former is greater that that of both specimens with 0.3% and 0.5% gas former.在线翻译_英语_读音_用法_例句