burlap 秦皮甲素

burlap 秦皮甲素

burlap文章关键词:burlap化工乳化沥青用有机硅消泡剂由特殊工艺精制而成,是专门为石油开采或加工中消泡问题而设计研发的,具体特点如下:(1)具有…

返回顶部