porn一区_国产精品久久久久永久免费观看_久久com_亚洲美女视频一区二区三区_日日天天_在线精品亚洲欧美日韩国产

abbr. Central Processing Element 中央處理單元;Customer Premises Equipment 用戶終端設備; 精選例句 高考 1、 The reaction between polystyrene having oxazoline groups ( RPS ) and chlorinated polyethylene ( CPE ) was investigated by FTIR, DSC methods. 用FTIR 、 DSC等方法研究了含?f唑 啉官能團的聚苯乙烯 ( RPS ) 與氯化聚乙烯 ( CPE ) 之間的反應. 來源:互聯網 2、 CPE was the product made by chlorination of PE, and had extensive applications. 氯化聚乙烯(CPE)是由聚乙烯氯化而制得的產品, 用途廣泛. 來源:互聯網