The fan in large diameter and low fan pressure is comparatively energy conservation.

大直径、全压低的风机相对比较节能。

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But Steady low fan speed change, so that airflow and vibration according to a fixed frequency, so we might as natural wind moderate.

但稳定低风扇速度变化，使气流和振动按固定频率，因此我们可能是自然风温和。

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"Then stay with me a little longer," Madame Olenska said in a low tone, just touching his knee with her plumed fan.

“那就跟我多呆一会儿吧，”奥兰斯卡夫人低声说，并用她的羽毛扇轻轻碰了一下他的膝盖。

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The name might be a stroke of marketing genius, but if you started out with a business called HVLS (high velocity low speed) Fan Company, you might look for something with a little more sex appeal, too.

FORBES: How Big Ass Fans Can Improve Life for Working People, Fix the Economy, and Help Solve World Health Problems.

He may be a fan of low-budget carrier Spirit Airlines, which made headlines this spring when it announced that it was installing "pre-reclined" seats on some of its planes as a space- and cost-saving measure.

CNN: Air rage: Is reclining your seat a right?

Snyder is a fan of extreme low-cost carriers like RyanAir, but in general, he doesn't want to see the entire industry using that model.

CNN: 2022: Cheap flights, more rail and hands-free cars