天平台应稳固 、 防振、相邻区域不应对其造成干扰.The bench should be stable, anti - vibration anti - disturb by near area.该产品可广泛用于油封 、 衬垫、橡胶轧辊、防振橡胶等领域.The compound is widely to manufacture oil seals, gasket , roller and vibration rubber product...
聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.Poly alcohol has been protected against radiation by benzalation and benzoylation.酰...