Developed excogitates of two decumbence and one horizontal molding die realized the increasing height of branch pipe of heat pressure tee.
研发出了两个横梁和一个水平成型模具，实现了热压三通支管高度的增加。
Developed excogitates of two decumbence and one hovizoutal molding die realized increasing height of branch pipe of heat pressure tee and reducing radius of synodical arc of tee.
研制出两套立式模具和一套卧式模具，实现了用工艺方法增加热挤压三通支管高度，缩小三通相贯区内拐角处圆弧半径的目的。
HCH-201 unsaturated polyester resin is designed for centrifugal casting molding glass pipe (HOBAS pipe) design of the structure layer resin is a low viscosity, medium reactivity of o-benzene resin.
201不饱和聚酯树脂是专门为离心浇铸成型玻璃钢管道(HOBAS管)设计的结构层树脂，是低粘度，中等反应性的邻苯型树脂。
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