By experiment, for the effect of fan expending Angle to noise and efficiency study.
通过实验研究离心风机蜗壳扩张角对风机噪声及效率的影响。
The weather obviously has a huge effect: winds can fan flames, rains can quench them.
天气很明显有一个巨大的效果：风能风扇火焰，雨也无法让他们。
Better electronic cooling fan, radiator, cooling effect is better, 2 meters long security three plugs.
电子制冷主动排风扇，散热更好，制冷效果更佳，2米超长安全三项插头。
Better electronic cooling fan, radiator, cooling effect is better, 2 meters long security three plugs.
电子制冷主动排风扇，散热更好，制冷效果更佳，2米超长安全三项插头。
应用推荐