XPS foamed board, has a perfect closed - pore alveolate structure.XPS挤出聚苯乙烯发泡板材, 具有完美的闭孔蜂窝状结构.An alveolate coordinate system which reflects actual distribution law of shell arrangement was proposed.提出了蜂窝网格坐标系,该坐标系客观反映了炮弹...
他听到这个消息后露出欣喜的微笑.He gave a radiant smile when he heard the news.最后一场比赛的胜利在他充满欣喜的职业生涯中具有非凡的意义。His final round was a signal triumph in a career marked by many sweet moments.波克的厚嘴唇上浮现出一丝欣喜的微笑.Something almost like a pleased ...