1·The mould design of Persian blinds was introduced. By technology analysis, the mould design and manufacturing were predigested.
介绍了进风口百叶窗的模具设计，通过工艺分析，简化模具设计及制造。
2·A design and manufacturing technology of die structure with high efficiency and practicality was developed on a typical die of persian blinds.
上下模刃口间隙要合理，针对典型的百叶窗模具给出了一种实用的高效率的模具结构设计及其制造工艺。
3·The investigation is done to the measuring method of the persian blinds airflow direction and speed at the inlet of cooling wind chamber of high speed power car.
对高速列车动力车冷却风室进风口处百叶窗空气流向、流速实车测量方法进行了研究。