并分析PS流变现象，提出确定PS日光灯罩挤出成型工艺条件的基本方法。
Moreover, PS theological phenomenon is analyzed and the basic method for determining the extrusion moulding conditions of PS fluorescent lamp-shade is developed.
这篇文章介绍PS日光灯罩挤出模具结构，口模参数阅历计算公式，定型计划和轧花设备。
This paper deals with the mould structure and empirical formulas for calculating die parameters, finalized design and pattern-rolling devices of PS fluorescent lamp-shade.
照明用的是带灯罩的日光灯。
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