In the coating pan, baffles are used to both direct the flow of paint to the pick-up roll and direct air bubbles away from the pick-up roll.

在涂料盘中，挡板应用在引导涂料去带料辊和引导气泡从带料辊移开。

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Air is forced up from the buoy counterweight tube during downward motion causing the balls to seal the air ports in the valve, thus forcing the air to flow into the whistle.

空气在向下运动过程中受到浮标向上的推力，使阀球将阀门里的气舱密封住，这样迫使气流进入雾笛。

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A planar model of air and water flow on metal fill surface was set up to investigate heat and mass transfer performance of air conditioner.

建立了填料塔的二维传热传质模型，考虑了因水蒸发或凝结而引起的水的质量变化和空气的质量变化。

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In a warm front, a mass of relatively warm air pushes against a block of cooler air and is forced to flow up over it.

BBC: Turbulence ahead: Flight heads into storm's heart

When the balloon is inflated, the fragile bones of the passageways are permanently moved aside a millimeter or so to open up air and mucus flow.

FORBES: Balloon Therapy

When the water levels rise, air will be pumped into the barriers raising them up to block the tidal flow and protect the city from flooding.

CNN: New satellite data reveals sea-level rise