Water-vaporCOCA¹⁵⁰⁴⁴⁴ 基本例句 大气水汽¹⁰⁰ Demand and Developing trend of Epoxy Resin for potting materials were reviewed. Epoxy Resin of High- heat Resistance, water-vapor Resistance, Low- viscosity in Recent Development were Introduced. 论述了日本封装材料用环氧树脂需求趋势，介绍了最近开发的高耐热性、耐湿性、低粘度环氧树脂。 chemyq