500棋牌

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                                  1. 二乙二醇甲醚
                                    别名:二甘醇一甲醚,甲基卡必醇;
                                    产地:美国陶氏;
                                    包装:原装桶;

                                    用途:
                                    用作硝酸纤维素、树脂,溶剂染料等的溶剂,也用作石油烃的萃取剂.

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