Test method for airflow resistance of respiration of filtering particle respirator.
过滤式防微粒口罩对空气流呼吸阻力的试验方法。
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。
The limitation of the Budryk's method(static analysis method), which ignores the effect of the length and the initial airflow rate of a parallel airway on airflow reversal, is pointed out.
指出了布德雷克（静态分析）法的局限之处，即没有正确认识到巷道长度及初始风速对风流逆转的影响；
应用推荐